Zoomar
可变焦距透镜系统
🗣️ 情景例句
Choice?
抉择？
Too much knowledge makes the head bald.
知识多，老得快。
(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，