Ad grat. acid.
[医] 至适宜酸度
🧩 词语组成解析
ad
[æd]
n. 广告;网球中的优势分advantage. ad in;
🗣️ 情景例句
What floor is the shoe department on?
鞋部在几层？
I have torn the only good shirt I own.
我撕破了我自己唯一的一件好衬衫。
The eggs are sold by the dozen.
鸡蛋按打卖。