Phthalodinitrile
苯二甲腈, 酞(二)腈
🗣️ 情景例句
They are eager to learn English.
他们急着要学英语。
How much is the telephone bill a month?
每个月电话费要多少钱？
Tim is an engineer.He is working for a big firm and he has already visited a great number of different places in Australia.
蒂姆是个工程师，正在一家大公司工作，并且已经去过澳大利亚的不少地方了。