laid down

laid down读音音标

英 [leɪd daun]

美 [led daʊn]

laid down意思解释

释义

[经] 铺设（铁路），建设（船舶）；

双语例句

Most of the sand and silt was carried down from the river.大部分泥沙都是由河流沉积下来的。They say that certain chemicals are made and laid down in the living cells.他们说已在活细胞内培养出某些化学成分，并已沉积下来。