Equidensitometry
等密度测量
🗣️ 情景例句
Bye, Mom.
再见， 妈妈。
How long will you remain in the United States?
你将会在美国逗留多久？
I explained to her that the rich were the enemies of the people of France.
我向她解释，财主老爷才是法国人民的敌人。