Chemical equilibrium
[化] 化学平衡
🧩 词语组成解析
🗣️ 情景例句
Ms Lin worked hard all year.
林小姐一年到头辛勤工作。
Teach your grandmother to suck eggs.
班门弄斧。
Modern machines can make the copy bigger or smaller, lighter or darker and copy onto both sides of the paper.
代机器可以放大、缩小、制作较亮的或较暗的复印件，也可以在纸的两面复印。