Udruj
[医] 乌得鲁胶(印度的一种药用树胶)
🗣️ 情景例句
Mr. Douglas is currently on leave.
道格拉斯先生眼下正在休假。
I put some photographs in the envelope.
我在信里夹了几张照片。
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？