Diolefine
[化] 二烯; 二烯属
🗣️ 情景例句
Frank, you've never played charades?
Frank，你从来没玩过哑谜？
Careful!
小心！
She watched TV for half an hour after supper. Then she started her homework.
晚饭后她看了半小时电视。然后她开始做家庭作业。