Plummet
['plʌmɪt]
解释:
(n.) A piece of lead attached to a line, used in sounding the depth of water.
(n.) A plumb bob or a plumb line. See under Plumb, n.
(n.) Hence, any weight.
(n.) A piece of lead formerly used by school children to rule paper for writing.
整理:凯瑟琳
解释:
n. a weight of lead hung at a string used for ascertaining the direction of the earth's attraction and for sounding depths: a plumb-line.
录入:文斯