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
That's easy.
那太容易了。
Many receive advice only the wise profit by it.
聆忠言者众，智者独获益。
She intends to make teaching her profession.
她想以教书为职业。