a quickening of sth
常用于速度、节奏、心跳等，表示某事物的加快或某种情绪的增强。
There was a quickening of pace as the runners entered the stadium.
选手们进入体育场时，步伐加快了。
胎动；胎动期
加速；加快；激发；兴奋；赋予生命；使复活；加速。；使某人或某物获得生命的行为。
The first perceptible movements of a fetus in the womb, or the period of pregnancy when this occurs.
常指孕妇第一次明显感到胎儿活动。
加速。
An increase of speed.
使某人或某物获得生命的行为。
The action of bringing someone or something to life.
孕期胎儿首次可察觉的胎动,或出现该胎动的时期。
The first noticeable movements of a foetus during pregnancy, or the period when this occurs.
(感情、情绪等的)刺激、激发。
Stimulation, excitement (of a feeling, emotion etc.).
She felt the quickening during her fifth month of pregnancy.
她在怀孕第五个月感受到了胎动。
用法提示：quickening 在此指胎动初期，名词用法。
The quickening is often described as fluttering or bubbling sensations.
胎动常被描述为颤动或冒泡的感觉。
用法提示：quickening 作为名词，指胎儿首次活动。
Many expectant mothers look forward to the quickening as a sign of the baby's health.
许多准妈妈期待胎动，将其视为宝宝健康的标志。
用法提示：quickening 表示怀孕期间胎动开始的阶段。
常用于速度、节奏、心跳等，表示某事物的加快或某种情绪的增强。
There was a quickening of pace as the runners entered the stadium.
选手们进入体育场时，步伐加快了。
指孕妇首次察觉到的胎动，前面多用定冠词。
She felt the quickening for the first time at eighteen weeks.
她在第十八周第一次感觉到胎动。
作方式状语，说明伴随某种加快或情绪被激发的状态。
He read the letter with a quickening of interest.
他读着这封信，兴趣越来越浓。
grammar · medium
易错句子The quicken of the process surprised everyone.
正确表达The quickening of the process surprised everyone.
在定冠词 the 和介词 of 之间需要名词，而 quicken 是动词；加 -ing 构成的 quickening 才是名词形式，表示“加速”。
grammar · medium
易错句子The drug began to quickening the patient's pulse.
正确表达The drug began to quicken the patient's pulse.
to 在此是不定式标记，后面必须接动词原形 quicken；quickening 是现在分词或名词，不能作不定式谓语。
grammar · medium
易错句子We took a quickening train to save time.
正确表达We took a fast train to save time.
quickening 表示“正在加速的”，不表示“速度快的”；要表达“快速的”应用形容词 fast（或 quick），否则意思会变成火车正在加速。
quickening 指“变快”这一过程本身，多见于书面语或生理描写（如胎动、心跳加快）；acceleration 更常指速度提升的幅度，或物理学上的加速度，科技语境中用得更多。
hastening 强调人为催促、使某事提早发生，带有“赶紧、急忙”的意味；quickening 只表示速度或节奏本身变快，不含催促的意思。
speedup 多用于口语和技术语境，指速度或效率的提升，常作定语（如 a speedup in production）；quickening 更书面、更文学化，常用于描写节奏、心跳或胎动。
quick
quick + -en
quick + -ly
quick + -ness
quick + witted
quick + temper + -ed
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