Clintonian
n. [地质] 克林顿阶
🗣️ 情景例句
do you need any help?
需要帮忙吗？
I ought to go to work now.
我应该现在去工作。
Will you please sweep the floor and tidy the classroom every day?
请你们每天都打扫地板、整理教室，好吗？