Paradinitrobenzene
对二硝基苯
🗣️ 情景例句
I wish I could go there with you, Grandpa.
我真希望我能够跟你一起去， 爷爷。
I'd like to speak to Mr. Jack.
我要和杰克先生讲话。
I'm looking at the blackboard.
我在看黑板。