n. 保险,保险业;保险费;预防措施;
adj. [体]巩固球队领先局面,使对手不能因增加一分而成平局的;
in进入+sur肯定+ance表名词 → 保险
🗣️ 情景例句
She was sick so the didn't attend her classes.
她生病了,所以没上学。
I don't think he'll remember a thing tomorrow morning.
我认为,到明天清晨,他会忘得一干二净。
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!