Phosphenic acid
[化] 氧次膦酸
🧩 词语组成解析
🗣️ 情景例句
Where did this money come from?
这些钱从哪来？
I've bee invited over to a friend's, and you?
有个朋友请我去作客，你呢？
It took him a little time to fix that watch.
他很快就把表修理好了。