Bioclast
生物碎屑
🗣️ 情景例句
Could we make it tomorrow at nine?
明天9点怎么样？
It is desirable to apply to good schools.
申请好学校是令人向往的。
In fact, I was a bit frightened and didn't know what we should do.
事实上我有点害怕，不知道我们该怎么办。