sediment
n[U]
1 matter that settles to the bottom of a liquid 沉淀物
a wine with a gritty sediment 有沙粒状沉淀物的葡萄酒.
2 matter (eg sand, gravel, mud, etc) carried by water or wind and deposited on the surface of the land 沉积物(如沙、 砾石、 泥等).
Do you think the doctor could see me tomorrow before 9:30?
你看医生在明天9:30前能给我看病吗?
Few things could be more impressive than the peace that descends on deserted city streets at weekends when the thousands that travel to work every day are tucked away in their homes in the country.