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
And, Marilyn, would you pour coffee, please.
Marilyn 请你倒一下咖啡好吗？
The wolf may lose his teeth, but never his nature.
江山易改，本性难易。
Every night, the man upstairs came back late.
每天晚上，楼上人回来很晚。