名词中文翻译
中文翻译：右手拇指
同义词：
['right thumb', 'right hand', 'right index finger']
例句：
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1. Sheheld her left hand behind her back.
她把左手背在身后。
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2. He pointed to the right hand of his chair.
他指着椅子的右手边。
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3.The right hand is responsible for the left side of the keyboard.
右手负责键盘的左侧。