Tsumebite
绿磷铅铜矿
🗣️ 情景例句
It looks wrong.
看起来不对劲。
Sometimes it's nice just to sit around and do nothing.
偶尔坐着无所事事，也算是赏心乐事。
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!
因此，从月球到地球的25万英里所消耗的能量要比从地球表面进入地球轨道的200英里所耗能量少97%。