Hexene
[化]己烯
??? 情景例句
You're much thinner since the last time I saw you.
你比我上次見你的時候瘦多了。
Are you going to use cash or traveller's cheques?
您是用現鈔換呢，還是用旅行支票換？
Nice to see you, too, Steven.Goodbye.
我見到你也很高興，史蒂文。再見。