Biostratonomy
生物埋藏学
🗣️ 情景例句
May I speak with Mr. Chen, please?
可以请陈先生听电话吗？
Mr. Smith is still in his forties.
史密斯先生才四十几岁。
I've worked here since 1989.
我自1989年以来便在这家工厂工作了。