Cyclopentadecanone
环十五烷酮
🗣️ 情景例句
Let's go catch a flick.
我们去看场电影吧。
Those that make the best use of their time have none to spare.
能充分利用时间的人不会有时间多馀。
No, thanks. It's big, but it isn't heavy. It's light.
不用了，谢谢，是大盒子，但不重。很轻。