Microbiostratigraphy
微体生物地层学
🗣️ 情景例句
the quarterback on our football team.
我们足球队的四分卫。
What is the longest river in this country?
这个国家最长的河是什么？
I do not want to make it a school for rich children only.
我不想把它办成专供有钱人家的儿童来上学的学校。