Wittichenite
脆硫铜铋矿, 硫铋铜矿
🗣️ 情景例句
TLC--tender loving care.
TLC，温暖的爱护和关怀。
One of these days,I'd like to take a vacation.
某天,我想度假。
(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，