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
Make yourself at home.
不要客气。
I was thirty on my last birthday.
我在我最后一个生日时30了。
We think the price in item number five is too high.
第五项我们认为价钱太高了。