Lifespans
n. （人或动物的）寿命( lifespan的复数形式 ); 存在期; 使用期; 有效期
🗣️ 情景例句
A large number of American radio stations operate in the red.
许多美国电台亏损经营。
All is not gold that glitters.
闪光的东西并不都是黄金。
What did you do at the meeting?
你们在会上做什么呢？