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
He has a reputation for honesty.
他以诚实著称。
Do not speak of your happiness to one less fortunate than yourself.
不要向不如你幸运的人述说你的幸福。
The big minute hand did not move.
那根巨大的分针不动了。