four-point alternate crutch gait是什么意思，four-point alternate crutch gait的翻译，four-point alternate crutch gait音标、读音、用法和例句

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four-point alternate crutch gait是什么意思，four-point alternate crutch gait的翻译，four-point alternate crutch gait音标、读音、用法和例句_奇客生活牛津词典