Nitroterephthalic acid
[化] 硝基对苯二酸
🧩 词语组成解析
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
Would you care to take a seat while I make out a receipt?
请坐一会儿好吗？我给您开个收据。
I'm sorry, but I have to cancel out luncheon appointment.
真抱歉，不过我不得不取消我们午餐的约会。