Columbomicrolite
铌细晶石
🗣️ 情景例句
Collecting matchsticks was fun, until that fateful day one of them caught alight.
收集火柴是一种乐趣，除非一天其中一根火柴不幸燃烧起来。
Do whatever seems best.
只要察觉出是最好的，就去做。
There is no need to say anything to the other worker.
你没有必要跟那个工友说什么。