Calcinea
钙质海绵亚纲
🗣️ 情景例句
I wonder whether I might ask you a question.
我是否可以问你一个问题？
I think it's going to be too short.
我认为它将太短。
Fifteen minutes passed and then, at five to twelve, the clock stopped.
15分钟过去了，而就在11点55分时，大钟停了。