时间: 2025-04-25 18:19:13
美: [pʌls]
英: [pʌls]
n. [电子] 脉冲;脉搏
vt. 使跳动
vi. 跳动,脉跳
最后更新时间:2025-04-25 18:19:13
词源分析:
“Pulse”源于拉丁语“pulsus”,意为“击打”或“撞击”,词根“puls-”来自“pellere”,意为“驱动”或“推动”。
历史背景:
该词在医学上首次被使用可以追溯到古希腊和罗马时期,用于描述生命体的生理特征。
课本:
在**的教材中,尤其是初中和高中英语课本中,可能会涉及到“pulse”作为生物学或健康相关的词汇。在牛津和美国的教材中,通常在高中阶段的生物学或健康教育课程中引入。
正式与非正式语境:
特殊场合:
在医学、体育和心理学领域,"pulse"常用于描述生理状态或生理反应。
The nurse took my pulse before the examination.
护士在检查前测量了我的脉搏。
A strong pulse is often a sign of good health.
强烈的脉搏通常是健康的标志。
His pulse quickened when he heard the news.
他听到这个消息时,脉搏加快了。
Athletes need to monitor their pulse during training.
**员需要在训练时监测自己的脉搏。
The doctor explained how to feel your pulse at home.
医生解释了如何在家里测量脉搏。
*. The pulse of the city can be felt in the bustling streets.
在繁忙的街道上可以感受到城市的脉动。
同义词:
反义词:
音标记忆法:
使用音标 /pʌls/ 来帮助记忆发音,可以反复朗读,并结合词义进行记忆。
词根记忆法:
理解词根“puls-”的意义,联想到其它词汇如“pulse”,“impulse”(冲动),有助于加深记忆。
通过上述分析和学*方法,可以帮助更好地理解和运用“pulse”这个词汇。
[N-COUNT] Your pulse is the regular beating of blood through your body, which you can feel when you touch particular parts of your body, especially your wrist. 脉搏
例:Mahoney's pulse was racing, and he felt confused.马奥尼的脉搏跳得很快,他感到很慌乱。
[N-COUNT] In music, a pulse is a regular beat, often produced by a drum. 节拍
例:...the repetitive pulse of the music.…乐曲的重复节拍。
[N-COUNT] A pulse of electrical current, light, or sound is a temporary increase in its level. 脉冲
例:The switch works by passing a pulse of current between the tip and the surface.电源开关的工作原理是让电流脉冲穿过触点和触面之间。
[N-SING] If you refer to the pulse of a group in society, you mean the ideas, opinions, or feelings they have at a particular time. 意向
例:The White House insists that the president is in touch with the pulse of the black community.白宫坚持说总统了解黑人社区的民意。
[V-I] If something pulses, it moves, appears, or makes a sound with a strong regular rhythm. 有节奏地跳动
例:His temples pulsed a little, threatening a headache.他的太阳穴跳动得有点厉害,预示着要头痛了。