Concentration limit
[化] 浓度极限
🧩 词语组成解析
🗣️ 情景例句
Let's talk business.
我们来谈谈正经事。
As a matter of fact, we would like to discuss internally regarding item B.
事实上，我们希望可以先内部讨论B项议题。
The children shouted to the driver, but he did not hear them.
孩子们对着司机喊叫着，但是他没有听见。