一分钟英语趣问答 140

Find a poor conductor of electricity: water, steel, rubber, copper.

译句：找到电的不良导体: 水，钢，橡胶，铜。（答案附在文末）

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poor /pɔr/   adj. 贫困的, 贫乏的, 低劣的, (身体)衰弱的, 可怜的

反义词：adj. rich, fortunate, good

[惯用语]：

poor quality 质量差的

poor thing 可怜的人，可怜的家伙

poor service 差劲的服务

in poor health 身体不好；虚弱

poor soil 贫瘠土壤

[例句]:

• Although they are poor they are happy.

虽然他们很穷，但很快乐。

• Wood is a poor conductor of sound.

木头是声音的不良导体。

• The customers complained about the poor after-sales services.

顾客抱怨售后服务差。

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conductor /kən'dʌktɚ/ n. (乐队)指挥 , 售票员, 列车长,〈电〉导体

[惯用语]：

bus conductor 公共汽车售票员

electrical conductor 导电体，电导体；电导线

lightning conductor 避雷针

poor conductor 不良导体

[例句]:

• Copper is a good conductor of electricity.

铜是良导体。

• The bus conductor collected money from the passengers.

公共汽车售票员向乘客收钱。

• The conductor worked on the train.

列车长在火车上工作.

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copper /'kɑpɚ/  n. 铜, 铜币；adj. 铜的；vt. 镀铜于

[惯用语]：

copper mine 铜矿

copper alloy 铜合金

copper wire 铜线

copper ore 铜矿石

copper tube 铜管

[例句]:

• Brass is an alloy of copper and zinc.

黄铜是铜和锌的合金。

• Copper is a good medium for the conduction of heat and electricity.

铜是热和电的良导体。

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答案：rubber

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