Oxindol
羟吲哚
🗣️ 情景例句
Some music tapes and some blank tapes
带一些音乐带和一些空白带
Our stock of this commodity is limited, please place your order without delay.
我方此类商品的存货有限，请尽快订货。
Can I see him please,Mrs. Williams?
我可以看看他吗，威廉斯夫人？