We were crawling around on all fours.
我们匍匐着四处爬行。
She crawled on all fours over to the window.
她匍匐着爬到窗边。
The horse jumped the stream and landed on all fours.
那匹马跳过小溪，四脚落地。
It was of another man, who did not walk, but who dragged himself on all fours.
这是另外一个人留下的，而且这个人不是在走路，是在四肢并用地往前爬。
Walking as bipeds might actually use less energy than movement on all fours does.
实际上，两足动物的行走可能比四肢的行走花费更少的力气。
婴儿四肢着地爬行。
这婴儿在地上爬行。
The child is crawling on all fours.
那个小孩用手脚爬行。
They walk on all fours, carrying the tail in a characteristic arch.
以四肢行走，行走时尾巴呈特有弓形。
He crawled backwards on all fours to the door, rose, bowed, and went out.
他双手双足着地，倒退着爬行到房门口，这才站起身来，鞠躬如也，退出去了。
This simile is not on all fours with the thing that is is supposed to illustrate.
这个比喻同那个要说明的事物不大贴切。
He thought he heard a mouse under the bed, and got down on all fours to have a look.
他好 象听见床底下有老鼠的声音，就趴在地上看了一下。
Wigs may be widely used, but they are still not on all fours with beautiful natural hair.
假发可以广泛地应用，但它们毕竟不能同美丽的自然头发相比。
It includes a pelvis and whole limbs which could reveal whether the new species walked upright or on all fours.
包含骨盆和完整肢骨的化石能够揭示这个新物种是直立行走还是四肢行走。
On all fours, he scrambled to the next ledge and then turned and looked back; the man was still standing there.
他手脚并用，磕磕绊绊地爬向另一堵墙，随后转身回头望去；那人依旧站在那里。
Baboons have a large head, cheek pouches, and a long, doglike muzzle. They walk on all fours, carrying the tail in a characteristic arch.
狒狒头部硕大，有颊囊，鼻口部狭长似狗。以四肢行走，行走时尾巴呈特有弓形。
Look closely and you can see that these are not fins, they're toes, and the creature didn't 2 slither or drag itself on its stomach, it walked 3 on all fours.
仔细看你就会发现这些不是鱼鳍，而是脚趾。这些动物并不是拖拽着身体或肚皮贴在陆地上爬行，它们是靠四足行走。
The apes are more aggressive and more obviously animals than in the original film; they still frequently move on all fours and emit fierce shrieks whenever angry or excited.
电影中的人猿比原版中的更像我们印象中的那种生物，他们更具攻击性也更野性难驯，他们仍用四肢行走，生气或兴奋时就会发出我们在动物园听到的猩猩的那种嚎叫。
But the new species also has similar attributes to dinosaurs known as sauropods, or brontosaurs, that grew to massive sizes and went about on all fours with long necks and whip-like tails.
但新种恐龙也有类似蜥脚下目恐龙或雷龙的属性，这些恐龙长得很巨大，长颈，鞭尾，用四只脚到处爬行。
But the new species also has similar attributes to dinosaurs known as sauropods, or brontosaurs, that grew to massive sizes and went about on all fours with long necks and whip-like tails.
但新种恐龙也有类似蜥脚下目恐龙或雷龙的属性，这些恐龙长得很巨大，长颈，鞭尾，用四只脚到处爬行。
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