名词
中文翻译：椭圆形手臂
同义词：
['oval', 'elliptical例句：1. The oval arm of the chair is designed to support your back.（椅子的椭圆形手臂设计来支撑你的背部。）']
例句：
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1. The oval arm of the chair is designed to support your back.
椅子的椭圆形手臂设计来支撑你的背部。
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2.The oval arm was made from a single piece of metal.
椭圆形手臂是由一整块金属制成的。
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3. The oval arm is used to adjust the angle of the table.
椭圆形手臂用来调整桌子的角度。