Equilibrium concentration
[化] 平衡浓度
🧩 词语组成解析
🗣️ 情景例句
Yes, sir.
是的 ，先生。
You cannot have two forenoons in the same day.
一日之中不可能有两个上午。
After it had passed, they swam on as quickly as they could because they knew that the boat would soon return.
快艇过去之后，他们以最快的速度向前游去，因为他们知道快艇马上就要转回来。