Trioxide
n. 三氧化物\\n[医] 三氧化物
🗣️ 情景例句
We are on good terms with each other.
我们彼此交情好。
It isn't much.
这是微不足道的。
(A light year is the distance which light travels at 186,000 miles per second in one year,
一光年是光以每秒186，000英里的速度在一年内走的距离，