单词
copper
读音
ˈkɑːpər
美式
英式
词根
无
释义
n. 铜；铜币；警察 adj. 铜制的 vt. 镀铜 n. (Copper)人名；(英)科珀
例句
Copper pipe is sold in lengths.
铜管按长度出售。
Copper conducts electricity well.
铜的导电性能好。
Brass is an alloy of copper and zinc.
黄铜是铜锌合金。
Copper pipe is sold in lengths.
铜管按长度出售。
Copper conducts electricity well.
铜的导电性能好。
Brass is an alloy of copper and zinc.
黄铜是铜锌合金。
强化记忆
无
看视频学发音
Trace amounts of the minerals iron,copper,zinc,
that we bought at the Venice Beach boardwalk,some copper wireand some stuff from Home Depot and Radio Shack.
Traditionally, we use really rough insulating layersto support copper wires.Think about Velcro fasteners.
It's a thousand timesmore conductive than copper.How is that possible?
We start with a solutionof positively charged copper spheres.We then add to it an insulating printed circuit board.
所属分类
大学,出国,专四专八,其他
所在词典
