Celothel
体腔上皮, 间皮
🗣️ 情景例句
Carl, you'll have your party when you go home, Carl
你回去以后就可以开个生日派对了。
You (or One) cannot make a silk purse out of a sow's ear.
粗瓷碗雕不出细花来。
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%。