Decylene
[机] 癸烯
🗣️ 情景例句
Are you sure you know where you're going?
你真认识你要去的地方吗？
What's your favorite pastime?
你最喜欢的消遣是什么？
Litter baskets have been placed under the trees, but people still throw their rubbish everywhere.
树下都已设置了废物筐，但是人们仍到处扔垃圾。