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
Is that tall or average or what?
这样尺寸是高呢， 还是普通， 或者算怎样？
The board won't approve of the budget for this year's expenditures.
会议上将不会承认本年度的支出预算。
Suddenly they came to a waterfall which dropped into an underground lake at the bottom of the cave.
突然，他们来到一道瀑布前，那瀑布奔泻而下，注入洞底一处地下湖里。