沉積是已搬運(yùn)的物質(zhì)再沉積下來(lái).Deposition is the laying down of sediment that has been transported.他們磨磨蹭蹭不肯往前走, 就在這天晚上,他們開(kāi)了小差,扛著搬運(yùn)的東西溜走了 —— 一次地道的抗命叛逃.They jibbed, sneaked off with their load in the night - quite a muting.最后把它們搬運(yùn)的大部分沉積物沉...