Ddw
[医][=double distilled water]双蒸馏水
🗣️ 情景例句
He founded this company.
他创办了这家公司。
A little child is the sweetest and purest thing in the world.
幼儿是世界上最可爱和最纯洁的。
You don't know where Karen is, do you?
你不知道卡轮在哪，是吧？