placer是什么意思

双语例句

(1)It is assigned by the placer.

它是由放置器指定的。

(2)Indonesia is rich in gold placer resources.

印度尼西亚砂金资源丰富。

(3)Placer deposit is highly developed in USSR.

苏联的砂矿矿床比较丰富。

(4)The origin of the deposit belongs to Quarternary eluvial placer type.

矿床成因属第四纪残积型。

(5)The coefficient of dissolution can indicate the source of placer gold.

溶蚀系数可指示砂金是近或远原生源金矿。

同根词

词根 place

(1)placed adj. 名列前茅的v. 放置（place的过去分词形式）

(2)placeable adj. 可被确定位置的；可被确定年代的；可被安置的

(3)place n. 地方；住所；座位vi. 名列前茅；取得名次vt. 放置；任命；寄予

(4)placement n. 布置；定位球；人员配置

释义

n.

a deposit of sand or gravel in the bed of a river or lake, containing particles of valuable minerals

砂矿，砂积矿床

placer gold deposits.

砂积金矿。

n.

[with modifier]a person or animal gaining a specified position in a competition or race

（竞赛或赛跑中）获得名次者

last year's fifth placer had a good run.

去年的第五名跑得不错。

a person who positions, sets, or arranges something

安放者，放置者，安置者

he was a shrewd placer of the ball.

他是个定位球得分高手。

a person who puts the material ready for firing in a pottery kiln

装窑工。

Brit. informal a dealer in stolen goods

〈英， 非正式〉 销赃者。

类似拼写词

placer n. 砂矿；砂积矿床；获得名次者；安放者；放置者；安置者；销赃者；装窑工

place n. 地点；地方；座位；位子；排名；名次；广场；短街；处；地位

player n. 运动员；演奏者，乐手；演员；（Player）人名：普莱耶

词源

"early 19th cent.: from Latin American Spanish, literally ‘deposit, shoal'； related to placel ‘sandbank'， from plaza ‘a place’．"