Metlbond
金属粘合法
🗣️ 情景例句
Shall I tell him you called?
我告诉他你来过电话，好吗？
Storms make trees take deeper roots.
风暴使树木深深扎根。
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%。