Cellacefate
[化] 纤维醋法酯
🗣️ 情景例句
I have been learning English for three years now.
我学英语有3年了。
Praise no man till he is dead.
盖棺论定。
We'd like to clear up some points connected with the technical part of the contract.
我们希望搞清楚有关合同中技术方面的几个问题。