a conversation that took all of five minutes 费时不超过五分钟的对谈 unable to walk at all 一点也不能走路 not at all sorry 一点也不伤心 ..
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unable to walk at all
完全不能行走
以上为机器翻译结果，长、整句建议使用 人工翻译 。
At first they were unable to move their hind legs at all, but by the end of the study they could support their weight and walk almost perfectly.
起初，它们根本无法移动后腿，但在研究结束时，这些老鼠可以承担全身的重量，而且可以近乎完美地步行。
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模块上移
模块下移
不移动