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
Smoking sucks!
吸烟太糟了。
Good morning.
早晨好！
Past experience has taught us that certain accomplishments are beyond attainment.
以往的经验告诉我们有些事是办不到的。