Flavadine
弗拉伐丁(吖啶的砷化物)
🗣️ 情景例句
He is burning the midnight oil.
他在挑灯夜读。
I'm too hungry.
我太俄。
(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，