Dena
[医][=diethylnitrosamine]二乙基亚硝胺
🗣️ 情景例句
He just loves that teddy bear
他就喜欢这个玩具熊
What is on the schedule this morning?
今天上午有什么安排？
I'd like two sweaters for my daughters.
我想给女儿买两件毛衣。