Mels
[医][=mean life span]平均寿命
🗣️ 情景例句
Football players are always popular with the ladies.
足球队员往往很讨女生的喜爱。
When am I supposed to check in?
我应该在什么时候到机场办理手续呢？
When their father died, they thought it their duty to keep Eric in hiding.
父亲死后，他们兄弟俩认为有责任继续把埃里克藏起来。