Ad substance
[医] 突触传递物质
🧩 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
I feel as though I have been standing here for 50 days.
可我感觉像是在这里站了50天。
Dot the i's and cross the t's.
一点一划，循规蹈矩。
Is there much of a difference in price?
价钱也有很大的分别吧？