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
How long?
多久？
The athletes competed for the honor of their country.
选手们为了国家的荣誉而互相竞赛。
Certainly. This way, please.
当然可以。这边走。