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铜 (tóng) is a noun that refers to the metal copper or brass. It is commonly used in sentences to describe objects or materials made of this metal, such as "铜锣" (tóng luó) which means "copper gong" or "铜器" (tóng qì) which means "brassware".
It can also be used in a figurative sense to describe the color of something, such as "铜色" (tóng sè) which means "copper color" or "铜像" (tóng xiàng) which means "bronze statue".
In addition, 铜 (tóng) can be used in idiomatic expressions, such as "铜墙铁壁" (tóng qiáng tiě bì) which means "impregnable fortress" or "铜山铁壁" (tóng shān tiě bì) which means "unbreakable defense".
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1. 青铜 (qīng tóng) - bronze
Explanation: 青铜 refers to a type of alloy made from copper and tin, often used in the production of weapons, tools, and decorative objects.
2. 红铜 (hóng tóng) - red copper
Explanation: 红铜 is a type of copper alloy that contains a higher percentage of copper, giving it a reddish color. It is commonly used in electrical wiring and plumbing.
3. 黄铜 (huáng tóng) - brass
Explanation: 黄铜 is a type of copper alloy that contains a higher percentage of zinc, giving it a yellowish color. It is commonly used in the production of musical instruments, decorative objects, and hardware.
4. 铜矿 (tóng kuàng) - copper mine
Explanation: 铜矿 refers to a place where copper ore is extracted from the ground.
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