We have legs, we have arms, we can bend and move - all of this means that our bodies were created to run, walk and be active.
我们有手有脚,我们能屈能伸,这些都表示我们的身体是要用来跑步、行走和活动的。
Nidal, with his cheeky smile, had crawled around on all fours pretending to be a cat, miaowing daringly round the legs of the girls.
尼达曾经四肢趴在地上,装作一只猫到处乱爬,厚着脸皮微笑着,大胆地绕着女孩们的大腿喵喵叫。
It walked on its hind legs but also could drop to all fours, and scientists told reporters that could prove to be a missing evolutionary link.
地爪龙以二足直立走路,但也能低身以四足行走,科学家告诉记者说,这可能证明是一项失踪的进化链结。
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