Chloroalkene
氯烯烴
??? 情景例句
Carl, you're sure you've never played?
Carl，你肯定你從來沒玩過嗎？
Speed is the soldier's asset.
兵貴神速。
He has deliberately chosen to lead the life he leads and is fully aware of the consequences.
他是故意在選擇過那種生活的，并完全清楚以這種方式生活的后果。