Neohexene
新已烯, 二甲基丁烯
🗣️ 情景例句
She wants to be here for Grandpa.
她原希望在此等爷爷。
You can't get it any cheaper than this.
这再便宜你就买不到了。
The salve will heal slight burns.
这种药膏能治疗轻微烧伤。