Ketonic
酮的
🗣️ 情景例句
Are you excited about graduating from high school?
你从高中毕业会不会感到很兴奋呢？
My boyfriend is against me going too.
我的男朋友也反对我去。
(A light year is the distance which light travels at 186,000 miles per second in one year,
一光年是光以每秒186，000英里的速度在一年内走的距离，