Hexenone
己烯酮
🗣️ 情景例句
How good is your English?
你英语有多好？
Experience keeps a dear school, but fools learn in no other.
吃亏学乖代价高，笨汉非此学不好。
The Titanic turned just in time, narrowly missing the immense walk of ice which rose over 100 feet out of the water beside her.
“泰坦尼克”这个弯拐得及时，紧贴着高出海面100英尺的巨大的冰墙擦过去。