Diene
[ ['daii:n] ]
高中 Senior High
[化] 双烯; 二烯烃
🗣️ 情景例句
I'm worried, Philip.
我很担心， Philip。
The voice is not distinct.
声音不清楚。
Some plays are so successful that they run for years on end,
有些剧目十分成功，以致连续上演好几年。