Nitrocalcite
钙硝石
🗣️ 情景例句
You will come up with the right answer.
你会想起正确的答案的。
I know the boy whose father is a manager.
我知道那个男孩的父亲是经理。
I concluded that they were simply shy of strangers.
我认为这不过是他们在陌生人面前表现出的害羞。