我相信这是一个完美的教训，对于一个孩子来说，失去重要的东西……失去它，感受到失去的全部重量，然后奇迹般地找回它。

I believe this was a perfect lesson for a child in losing something important...to lose it and feel the full weight of that loss, and then to miraculously get it back.

youdao

从未有重量级拳手可以如此完美地将两者结合在一起。

No heavyweight combined the two assets so formidably.

youdao

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。

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.

youdao