Microbiostratigraphy
微体生物地层学
🗣️ 情景例句
Your boyfriend is a bag of bones.
你的男朋友瘦得皮包骨头。
I invited him to come back, but he wouldn't.
我请他回来，但是他不肯。
How time files! More than a week has passed already!
光阴似箭！已经过了一周多时间了！