Oxid
n. [化]氧化物
🗣️ 情景例句
I went to the supermarket to get a few things,
我去一趟超级市场， 买了几样东西，
This river is one third as long as that river.
这条河只有那条河的三分之一长。
The sudden barking frightened Clara.
突然的狗叫声吓坏了克拉拉。