Diphenyldiimide
二苯基二酰亚胺
🗣️ 情景例句
I would like to improve my English pronunciation.
我想改善我的英语发音。
Everybody's business is nobody's business.
人人都管，大家不管。
but on the third night, a storm blew up.
但第三天晚上起了风暴。