Vinydan
乙烯醚
🗣️ 情景例句
Mr. Douglas is currently on leave.
道格拉斯先生眼下正在休假。
Merry is he that hath nought to lose.
人无所失，不亦乐乎。
Often the little words have meanings of their own.
这些小词常常都有自己本身的意思。