Life-jackets
(life-jacket 的復數) n. 救生衣（背心）
?? 詞語組成解析
life
[la?f]
n. 生活，生計;生命，性命;一生，壽命;人生，塵世;
n. 短上裝；夾克衫（jacket的復數）
??? 情景例句
If you can't pay the bill, you're going to be in trouble.
你如果不能付賬，就要倒霉。
Being the newest member of this committee is really difficult.
能成為這個集體的新成員是很難的。
That's right. And the air today is nice and clean.
對。今天空氣很清新。