英语词汇挺直腰背是什么意思，挺直腰背的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	挺直腰背
释义	DEFINITIVE EXAMPLES 权威例句〔backwards〕Keeping your back straight, swing one leg backwards.挺直腰背，一条腿向后摆动。柯林斯高阶
随便看	jig mill jig plate jig stenter jig transit jig washer jigaboo jigar jigg jigged jigged jigged fluidized bed jigged-bed jigger jigger jigger jigger jigger coupling jigger flea jigger mast jigger mast jigger wheel jiggered jiggered jiggered jiggered up

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