Hexylene
己烯
🗣️ 情景例句
You've been a great help.
你帮了大忙。
Don't you think she's cute?
你不认为她很可爱吗？
I must go to the greengrocer's.We haven't got many tomatoes,but we've got a lot of potatoes.
我还得到蔬菜水果店去一下。我们番茄不多了，但土豆还有不少。