EXAMPLE SENTENCES | ||
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200多万年前的马蹄蟹化石,与今天的马蹄蟹几乎完全相同:它们是三叶虫最近的亲戚。 Horseshoe crab fossils over 200 million years old are almost identical to contemporary animals: They are the closest living relatives of the trilobites. | ||
为了抵御潮汐,幼年马蹄蟹经常在沙子里挖洞。 In order to withstand tidal currents, juvenile horseshoe crabs frequently burrow in the sand. | ||
事实证明,红腹滨鹬没有吃到足够的马蹄蟹卵。 The knots, it turns out, aren't getting enough horseshoe crab eggs to eat. | ||
地球上的大洋曾经到处都是类似于马蹄蟹的生物-三叶虫。 The earth's oceans were once filled with horse shoe crab-like critters called trilobites. | ||
不可避免的结论是,渔民们正在逐渐把特拉华湾的马蹄蟹斩尽杀绝,造成可以养活水鸟的蟹卵的减少。 The inescapable conclusion is that fishers were depleting Delaware Bay's horseshoe crab population, causing a reduction in the number of horseshoe crab eggs upon which the shorebirds feed. | ||
人们捕获和销售马蹄蟹作为更有利可图的鳗鱼和峨螺养殖业的诱饵。 People were capturing the crabs and selling them as bait for the more profitable eel and whelk fisheries. | ||
左图,是古蜥蜴的牙齿,它是很多恐龙的直系祖先;右图,是一个完整的马蹄蟹的头盖骨。 The tooth of an archosaur, left, which was a direct ancestor of many dinosaurs, and the complete skeleton, including soft tissue of a horseshoe crab, right. | ||
令人惊讶的是,在潮汐流很弱的地方,幼年马蹄蟹的藤壶数量并不多,尽管它们很少在洞里活动。 Surprisingly, in areas where tidal currents are very weak, juvenile horseshoe crabs are found not to have significant barnacle populations, even though they seldom burrow. | ||
马蹄翻飞,扬起一片尘土。 The horses' hooves raised a cloud of dust. | ||
较熟知的有寄居蟹、黄道蟹(英国和欧洲)、蓝蟹、首黄道蟹、招潮和堪察加拟石蟹。 Well-known crabs include the hermit crab, edible crab (Britain and Europe), blue crab, Dungeness crab, fiddler crab, and king crab. | ||