Oxid
n. [化]氧化物
🗣️ 情景例句
She wanted something to do, I guess.
我猜想她想找点事做吧。
Deliver not your words by number but by weight.
言不在多，而在有物。
An old woman is standing at the side of the road.
一位老大娘站在靠近红绿灯的路边。