Citrene
[化] 柠檬萜烯┼烯; 1,8-萜二烯
🗣️ 情景例句
Have you got time this morning
今天上午你有时间
Water dropping day by day wears the hardest rock away.
水滴天天滴不停，石头最坚也磨损。
No, not very. You need a driving permit. Have you got one?
不，不很贵。你需要一个驾驶执照。你有没有？