Tricyanovinylation
三氰基乙烯化(作用)
🗣️ 情景例句
Oh, it must be a bill.
噢， 还不是帐单。
He's absorbed in his book.
他全神贯注地读书。
In spite of the heavy rain, she went to the shop.
尽管下着大雨，她还是去了商店。