Dicyanobutylene
二氰基丁烯
🗣️ 情景例句
He's so little ... so new.
他这么小……这么幼……
How long will you remain out?
你将会在外面逗留多久？
You must get up and get ready for school. If you don't go soon,you'll be late.
你得起床准备上学了。你如果不赶紧去，就该迟到了。