Labelled compound
[化] 标记化合物
🧩 词语组成解析
a. 贴上标签的
🗣️ 情景例句
At 4, but I have to leave by 3:00 to get there on time.
四点，不过我三点必须离开，才能准时到那里。
I am well aware of how risky this investment is.
我非常清楚这项投资有多大的风险。
Do you think there is something wrong with the contract?
你认为合同有问题吗？