Fluoroethyl
氟代乙酯
🗣️ 情景例句
Have a good trip.
旅途愉快。
He who risks nothing, gains nothing.
不入虎穴，焉得虎子。
What does Christmas mean? Christmas Day is the birthday of Jesus Christ.
圣诞节是什么意思？圣诞节就是耶稣基督诞生的日子。