Dorsa
pl. 背, 背状部分, 背部\\n[医] 背
🗣️ 情景例句
I'll hold on to them for you.
我为你保管吧。
Whom will you invite to the party?
你将邀请谁参加聚会？
That's why you need the lab.
这就是你为什么要用实验室的原因。