Hexylene
己烯
🗣️ 情景例句
This dog is well trained.
这只狗受过很好的训练。
I can come any time except Sunday.
除星期天外我都能来。
'We mustn't buy things we don't need,' I remarked suddenly.
“我们不应该买我们不需要的东西，”我突然发表意见说，