Spectroscopes
分光镜( spectroscope的名词复数 )
🗣️ 情景例句
I'll talk to Richard about it.
我会与Richard商量商量。
I often go to school in the morning.
我常常在早上去学校。
(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，