If cloning had existed a few centuries ago, men with strong backs and women with broad pelvises would have been the first ones society would have wanted to reproduce.

如果苦于世纪前就存在克隆，那么社会想复制的第一批人就是那些背部结实的男人和骨盆宽大的女人。

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Our nails aren't as strong or sharp as the nails that animals have. But they are good for scratching backs and picking up COINS.

虽然人类的指甲没有动物的指甲强大、锋利，但是它们能帮助我们搔背，还有助于我们捡起硬币。

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The major problem of defence in home-match was that backs' personal defensive ability not strong, etc;

主场防守的主要问题是后场队员的个人对抗能力不强、防守补位和协防的意识差；

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"They are a strong team with good backs and some strong ball carriers in their pack, " he said.

BBC: Tigers aiming for treble - Flood

They rowed toward shore, urging the raft through whitecaps with a strong wind at their backs.

NPR: Excerpt: 'The Assassins Gallery'

For that, they will need strong allies at their backs.

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