Naphthotriazine
[化] 三氮杂蒽
🗣️ 情景例句
He is a man of ability.
他是个很能干的人。
My favorite winter sport is skiing.
我最喜欢的动机运动是滑雪。
It was carrying some large bags of rice. Suddenly one of the bags fell off the truck.
它运载着大包大包的米。突然一袋米从卡车上掉了下来。