Ol. res.
[医] 油树脂
🗣️ 情景例句
Thank you, Mr. Tom. The same to you.
谢谢，汤姆先生。也祝你圣诞快乐！
It is never too old to learn.
为学不怕年高。
I'll have to stay at the office.I don't know when I'll finish.
我不得不留在办公室，不知道什么时候才能结束。