Microbiostratigraphy
微体生物地层学
🗣️ 情景例句
Room Service. What can I do for you?
客房服务部，能为您效劳吗？
Whoever.
无论邀请谁。
Yes, it is.It's very urgent.I feel awful. I have a terrible toothache.
是的，很急。我难受极了，牙痛得要命。