Mels
[医][=mean life span]平均寿命
🗣️ 情景例句
I can always depend on you, Sam.
我知道我可以依靠你 ，Sam。
Action is the proper fruit of knowledge.
行动是知识的巧果。
At last he said,I think I can help him. He'll be OK if I do one small operation.
“我想我能治他的病。只要我给他做一个小手术，他就会好的。”