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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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。

youdao