Impulse
[ 'ɪmpʌls ]
第2级
其它 Other
n. 凭冲动行事;突如其来的念头;[电子]脉冲;[医]冲动，搏动;
adj. 冲动的;
v. 推动;
💡 词根助记
im向内，进入+pulse跳动→冲动
📝 例句
Beaverbrook was a potent impulse.
比费布鲁克是一位具有强大的推动力量的人物。
She bought the dress on impulse.
她一时冲动买了这件衣服。
An instantaneous and strong impulse moved him to battle with his desperate fate.
一股迅疾而强有力的冲动促使他要向坎坷的命运奋斗。
It was so unlike him to yield to such an irrational impulse!
他如此冲动，如此不顾理智，实在有失常态。
At any rate an egg ruined his new impulse in life.
总而言之，是一只鸡蛋毁了他对生活的新的激情。
🌱 联想助记
【串】他偷别人的钱包(purse)时,脉搏(pulse)得很快,他是一时冲动(impulse)犯了错误
【记】※ im-谐音“姨母”,pulse-脉膊:姨母一受刺激就加快
※ im-I’m我是,pulse-脉搏:我是在冲动之下割断脉搏的
✅ 同义词
🔤 词根
-pul-表示“推”
常见变体有-pel-
📖 牛津释义
impulse
n
1
(a) [C] ~ (to do sth) sudden urge to act without thinking about the results 凭冲动行事（未顾及後果）; 突如其来的念头
He felt an irresistible impulse to jump. 他突然有个无法抗拒的冲动, 想跳下去.
check/curb/resist an impulse 抑制[约束/遏止]冲动.
(b) [U] tendency to act in this way 好冲动行事
a man of impulse 易冲动的人.
2 [C] push or thrust; stimulus; impetus 推动; 冲力; 刺激; 推动力
give an impulse to industrial expansion 促进工业的扩展.
3 [C] stimulating force in a nerve or an electric circuit that causes a reaction 神经冲动; 电路脉冲: nerve impulses神经冲动.
4 (idm 习语) on impulse suddenly and without previous thinking or planning 一时冲动
On impulse, I picked up the phone and rang my sister in Australia. 我一时心血来潮, 拿起话筒就给在澳大利亚的妹妹打了个电话.
🎯 考研助记
内心深处(in)脉搏(pulse)狂跳- 冲动 网友：yqy补充： im内在, pulse推－在内心推－冲动
🔁 扩展释义
*['impʌls]n. 冲动, 驱使, 刺激, 推动, 冲力, 建议, 脉冲vt. 推动【化】 脉动【医】 冲动, 搏动
🏥 医学释义
冲动，搏动，脉冲
🌿 同词根单词
📖 同为「博士」词汇
查看全部博士词汇 ›🗣️ 情景例句
Of course I will. What about you? Aren't you going to Xi'an soon?
我当然会的。你打算上哪度假呢？你不是很快就要去西安了吗？
There are four of us.
我们有4人。
The characters on the paper were white, and the rest of the paper was black.
纸上的汉字呈白色，其余部分成黑色。