时间: 2025-04-23 21:03:16
美: [kæn]
英: [kæn]
vt. 将…装入密封罐中保存
aux. 能; 能够; 可以; 可能
n. 罐头; (用金属或塑料制作的)容器; (马口铁或其他金属制作的)食品罐头
最后更新时间:2025-04-23 21:03:16
字面意思:
“can”作为动词,主要表示“能够”或“有能力做某事”。作为名词,指代一种金属罐或容器。
词性:
动词(verb)和名词(noun)。
词源分析:
“can”源自古英语“cunnan”,意为“知道”或“能”,根源与德语“können”相近,意指能力或可能性。
历史背景:
“can”首次在英语文献中的使用可追溯到约公元 800 年的古英语文本中。
课本:
在**教材中,“can”通常出现在小学英语和初中英语教材中,如《新概念英语》系列。
在牛津和美国的教材中,如《Oxford Reading Tree》和《American English File》,也会在初级至中级阶段频繁出现。
正式与非正式语境:
特殊场合:
I can swim very well.
我游泳游得很好。
Can you help me with my homework?
你能帮我做作业吗?
She can speak three languages fluently.
她能流利地说三种语言。
We can have a meeting next week.
我们可以在下周开会。
The can was empty after I drank the soda.
喝完汽水后,罐子是空的。
*. He can’t find his keys anywhere.
他到处都找不到他的钥匙。
Can you believe what happened yesterday?
你能相信昨天发生的事吗?
They can finish the project on time.
他们能按时完成这个项目。
I can’t wait for the weekend!
我迫不及待想等周末了!
This can is made of aluminum.
这个罐子是用铝制成的。
同义词:
反义词:
音标记忆法:
通过发音练* /kæn/ 来帮助记忆。可以将其与其他相似发音的词汇进行比较,例如“can”和“can’t”。
谐音联想记忆:
可以将“can”联想到“罐子”中的“罐”(can),二者发音相似,有助于记忆。
通过这些分析与方法,可以更深入地理解和运用“can”这个单词。
[MODAL] You use can when you are mentioning a quality or fact about something which people may make use of if they want to. 可以
例:Tickets can be purchased at the Madstone Theatre box office.票可在麦德斯通剧院售票处买到。
例:A central reservation number can direct you to accommodations that best suit your needs.预订总机可以帮你找到最适合你需求的住处。
[MODAL] You use can to indicate that someone has the ability or opportunity to do something. 能够; 会
例:Don't worry yourself about me, I can take care of myself.别为我担心,我会照顾好自己的。
例:I can't give you details because I don't actually have any details.我无法告诉你详情,因为我确实不了解具体情况。
例:The United States will do whatever it can to help Greece.美国将尽一切所能帮助希腊。
[MODAL] You use cannot to indicate that someone is not able to do something because circumstances make it impossible for them to do it. 无法
例:We cannot buy food and clothes and pay for rent and utilities on $20 a week.我们无法靠每星期$20来购买食品、衣物,付房租和水电费。
[MODAL] You use can to indicate that something is true sometimes or is true in some circumstances. 可能
例:...long-term therapy that can last five years or more.…可能要持续5年或者更长时间的长期治疗。
例:Exercising alone can be boring.独自一个人锻炼可能会很无聊。
[MODAL] You use cannot and can't to state that you are certain that something is not the case or will not happen. 不可能; 不会
例:From her knowledge of Douglas's habits, she feels sure that that person can't have been Douglas.根据她对道格拉斯的习惯的了解,她肯定那人不会是道格拉斯。
例:Things can't be that bad.情况不会那么糟。
[MODAL] You use can to indicate that someone is allowed to do something. You use cannot or can't to indicate that someone is not allowed to do something. 可以
例:Can I really have your jeans when you go?你走后,我真的可以穿你的牛仔裤吗?
例:We can't answer any questions, I'm afraid.我们恐怕不能再回答任何问题了。
[[强调]] You use cannot or can't when you think it is very important that something should not happen or that someone should not do something. 不应该
例:It is an intolerable situation and it can't be allowed to go on.这种情形令人无法容忍,不应该被允许继续下去。
[MODAL] You use can, usually in questions, in order to make suggestions or to offer to do something. 可以; 能 (用于表示建议或给予)
例:What can I do around here?在这里我能做什么?
例:This elderly woman was struggling out of the train and I said, "Oh, can I help you?"这位老妇人力图挤出列车时,我问道,“哦,我能帮忙吗?”
[[礼貌]] You use can in questions in order to make polite requests. You use can't in questions in order to request strongly that someone does something. 可以; 能 (用于表示请求)
例:Can I have a look at that?我能看看那个东西吗?
例:Why can't you leave me alone?你为什么不能别管我的事情?
[[正式,口语]] You use can as a polite way of interrupting someone or of introducing what you are going to say next. 可不可以 (打断谈话或插嘴时)
例:Can I interrupt you just for a minute?我可不可以打断你一会儿?
例:But if I can interrupt, Joe, I don't think anybody here is personally blaming you.恕我打断你,乔,我认为这里并没有人在怪你。
[[非正式,口语]] You use can with verbs such as "imagine," "think," and "believe" in order to emphasize how you feel about a particular situation. 能够 (与imagine, think, believe连用,表示强调)
例:You can imagine he was terribly upset.你能想像他有多苦恼。
例:You can't think how glad I was to see them all go.你想不到看到他们都走掉我有多开心。
[[口语]] You use can in questions with "how" to indicate that you feel strongly about something. 与(how)连用,表示强烈的感受
例:How can millions of dollars go astray?数百万美元怎么会丢失了呢?
例:How can you say such a thing?你怎么能说这样的话?
[N-COUNT] A can is a metal container in which something such as food, drink, or paint is put. The container is usually sealed to keep the contents fresh. 罐; 罐头
例:Several young men were kicking a tin can along the middle of the road.几个小伙子正在马路中间踢着一个锡罐。
例:...empty beer cans.…空啤酒罐。
[N-COUNT] You can use can to refer to a can and its contents, or to the contents only. 一罐
例:She grabbed a can of soda out of the refrigerator.她从冰箱里取出一罐汽水。
[[usu passive]] When food or drink is canned, it is put into a metal container and sealed so that it will remain fresh. 把…装罐
例:...fruits and vegetables that will be canned, skinned, diced, or otherwise processed.…将要经过装罐、去皮、切块或其他加工程序的水果和蔬菜。
[[非正式]] If you are canned, you are dismissed from your job. 解雇
例:The extremists prevailed, and the security chief was canned.极端分子占了上风,那名安全主管被解雇。