名词
中文翻译：Unknown
同义词：
['fork', 'fork-like structure', 'fork-shaped structure']
例句：
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1. The fork structure of the butterfly's wings is responsible for its flight ability.
蝴蝶翅膀的叉状结构使其能够飞行。
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2. The fork structure of the tree trunk helps it to support its own weight.
树根的叉状结构有助于支撑其自身重量。
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3.The fork structure of a car wheel allows it to turn easily.
汽车轮胎的叉状结构使它们可以轻松转动。