Naphtholphthalein
[化] 萘酚酞
🗣️ 情景例句
I have to feed a family of five.
我不得不养活五口之家。
To ensure faster delivery, you are asked to forward the order by air freight.
为了确保迅速交货，我方要求此订货用空运。
Sorry. I wasn't thinking.
抱歉，我没有想到这点。