Perphosphoric acid
[化] 过磷酸; 过二磷酸
🧩 词语组成解析
🗣️ 情景例句
Where do I board my plane?
我在那儿登机？
If it were not for hope, the heart would break.
人是靠希望活著的。
We can get by.
我们过得去。