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
Nobody knows how to do it.
没有人会打。
Sadness and gladness succeed each other.
悲喜互继，哀乐相续。
small at first, narrowly contained within its banks,
开始很小，被紧紧地夹在两岸中间，