Tollen's aldehydes test
[建] 托醛试验
🧩 词语组成解析
[医]醛
🗣️ 情景例句
It's not easy, but what is?
这不容易， 但什么事又容易了？
Where did you visit?
你去参观了哪些地方？
We have agreed on all terms in the contract. Shall we sign it next week?
我们对合同各项条款全无异议，下周签合同如何？