Sediments
n. 沉积物, 沉淀物（sediment的复数）
✅ 同义词
🗣️ 情景例句
I've only been waiting for an hour.
我已经等了一个小时了。
If it hadn't been for your help, we would never have finished it.
如果没有你的帮助，我们永远完不成任务。
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%。