Cosmene
[化] 波斯菊萜; 2,6-二甲-1,3,5,7-辛四烯
🗣️ 情景例句
And have a nice afternoon.
祝下午玩得愉快。
I asked him to do it for me, but he wouldn't.
我请他帮我做，但是他不肯。
We could visit the town of Aswan.
我们可以游览阿斯旺城。