Ad 2 vic.
[医] 连续两次, 两个剂量
🧩 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
OK. Let's talk.
好， 我们谈谈吧。
Rear sons for help in old age; and store up grains against famine.
养儿防老。
What's the time?
几点了？