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
Please don't do it without asking.
未经允许请不要那么做。
I went to see my doctor for a check-up yesterday.
我昨天为检查去看了医生。
He says nothing about the poor selection of goods in the shops, or about those unfortunate people who have to travel from the country to the city every day to get to work.
他也不说商店货物品种单调，以及那些每天不得不从乡下赶到城里工作的不幸的人们。