Leatherbound
皮面精装的
🗣️ 情景例句
What now?
下一步呢？
What are you going to do?
你要做什么？
(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，