Lichenize
v. 使...长满青苔, 覆以地衣
🗣️ 情景例句
No. I really don't know how to go about it.
没有。我真不知道如何填。
He has been to America.
他去过美国。[曾经有过的经验]
then administrative overheads will be low.
行政管理费用就会降低。