Polyphosphoric acid
[化] 多磷酸
🧩 词语组成解析
🗣️ 情景例句
Will you help me if I do run?
假如我真的竞选 ，你会帮我忙吗？
I'm from out of town.
我从城外面来。
Yes, I'm afraid so. It's getting late, and we have to be up early in the morning.
恐怕是这样。天渐渐变晚了。清晨我们得早起。