P-
[医] 对[位](化学)
🗣️ 情景例句
Is this harmful to kids?
这对孩子有害吗？
Did you sell it to him yourself?
你自己亲自卖给他吗？
The product gives you an edge over your competitors,I guess.
我认为你们的产品可以使你们胜过竞争对手。