Bismuthide
[机] 铋化物
🗣️ 情景例句
You are always straying from the subject.
你说话总爱跑题。
He plays with my friends every day.
他每天都和我的朋友玩。
After a short time a line of bees fly to and from the hive like a thin stream.
过不了一会儿，一队蜜蜂像一条小溪一样在蜂箱和喂食点之间来往飞行。