Snails and octopuses are molluscs.
蜗牛和章鱼是软体动物。
This material protects the molluscs against their enemies.
这种材料保护着里面的软体动物不受侵害。
OIE is a standard-setting body for fish, crustaceans and molluscs.
OIE是制定鱼类、甲壳类和软体动物标准的组织。
And molluscs , of which at least 150 species are of commercial importance.
本港出产的鱼类、贝介类和软体动物，品种繁多，可供贩卖的最少有150种。
Like squid, they were swimming tentacled molluscs-a group called the cephalopods.
它们象鱿鱼一样是游动的触手软体动物，这类软体动物被称为头足类动物。
Most crocodilians, he reminded people, preferred to dine on fish or molluscs rather than farmers.
他提醒人们，大多数鳄鱼宁愿吃鱼或软体动物而不愿吃农夫。
Predaceous gastropods reduced the abundance of herbivorous molluscs and sessile invertebrates.
肉食性腹足类减少了草食性软体动物和固着无脊椎动物的数量；
The result is that a lot of other types of fish, crustaceans and molluscs are caught unintentionally.
结果就是很多其他种类的鱼类、甲壳类和软体类海洋生物都被无意中被捞了上来。
Other products of fish or crustaceans, molluscs or other aquatic invertebrates; dead animals of Chapter 3.
其他水生无脊椎动物产品包括甲壳动物，软体动物，第三章死动物。
These skeletal remains from creatures such as molluscs, crustacean and foraminifera create a pearly white sand beach.
海洋生物的骨骼残骸，比如软体动物、甲壳纲动物、有孔虫类使得海滩成为珍珠的白色。
Products of fish or crustaceans in imminent Dan - gers, molluscs or other aquatic invertebrates; dead animals of Chapter 3.
濒危水生无脊椎动物产品包括甲壳动物，软体动物，第三章死动物。
Geologists have found that plankton and molluscs were wiped out in vast Numbers and that land animals and plants were also affected.
地质学家们发现，当时浮游生物和软体动物大量消失，陆生动植物也受到了影响。
Just as an acid descaler breaks apart limescale inside a kettle, so the shells that protect molluscs and other creatures will be dissolved.
正如酸性清洁剂溶解水壶内的水垢，保护软体动物和其他生物的外壳也会被酸性海水溶解。
All types of oysters (and, indeed, many other shelled molluscs) can secrete pearls, but those from edible oysters have no market value.
所有种类的牡蛎(实际上也包括其他许多有壳的软体动物)都能分泌出珍珠，但是可食用的牡蛎出产的珍珠没有市场价值。
The result is an unusual bunch of sea lilies, brittle stars, giant ribbon worms and molluscs that are armoured only with thin, soft shells.
这种气候造就了不同寻常的海百合群落、海蛇尾、巨大的海带和只有薄壳的软体动物。
Benthic animals molluscs biomass as the highest, with more moderate aerobic benthic organisms exist, and the water body suited Zoobenthos survival.
底栖动物中软体动物的生物量为最高，有较多中等需氧底栖生物存在，水体状况适合底栖动物生存。
All of 276 species of intertidal rocky benthos, Xiamen Island are reported in this paper. Algae, Molluscs and the others comprised 65. 21 % of all species.
本文报道了厦门岛岩相潮间带生物276种，其中藻类、软体动物和其他动物占总数的65.21%。
It was another turtle, a horned turtle of enormous size, its dark green shell mottled with brown and overgrown with water moss and crusty black river molluscs.
那是又一只乌龟，一只角质的巨龟，它深绿色的壳上盖着棕色的茂盛的水藓和黑色的脆壳软体动物。
Tetraploid molluscs are of low viability but high fecundity and can produce larger gametes. Crosses between tetraploids and diploids can result in 100% triploids.
四倍体贝类存活力较低，但具有较高的繁殖力，能产生较大的生殖细胞，并能与二倍体杂交产生100%的三倍体。
Dr Riebesell is particularly interested in the ecosystem role of pteropods, also called sea butterflies. These elegant micro-molluscs are a vital food for some fish.
Riebesell博士对翼足类动物，又叫翼足目软体动物在生态系统中的角色尤其感兴趣，这些幽雅的微小软体动物是一些鱼类的重要食物。
A survey has revealed 168 species of finfish, 60 species of cnidaria, including corals, eight molluscs, 14 sponges, 11 echinoderms, 15 arthropods and eight annelid worms.
一项调查研究显示，这里有168种长须鲸，包括珊瑚在内的60种刺胞动物、8种软体动物、14种海绵、11种棘皮类动物、15种节肢动物和8种a环节蠕虫。
Beihai sits in a tight-lipped bay on the Gulf of Tonkin, where the rich silt of estuaries is swept and trapped by turbid currents-a paradise for molluscs and those that hunt them.
北海市地处一个狭长的海湾，紧邻北部湾，河口的淤泥被浑浊的水流荡涤、堆积。这是软体动物和猎食者的天堂。
Previous attempts to boost the numbers of native oysters in the bay by banning oyster fishing had proved disappointing because the molluscs failed to re-establish themselves.
有的地方曾尝试通过实施禁捕来提高本地牡蛎的数量，结果却令人失望，该办法并未促进这种软体类动物有效地繁殖。
The new standards adopted will go a long way towards protecting human health, as they set out new, maximum limits for lead in fish, cadmium in rice, marine bivalve molluscs and cephalopods.
通过的这些新标准将对保护人类健康大有帮助，因为它们提出鱼类中铅以及大米、海洋双壳贝类和头足类动物中镉的新的最高限量。
The Museum includes six divisions: mammals, birds, amphibians and reptiles, fishes, insects and other arthropods, and molluscs. The divisional collections include some 15 million specimens.
该博物馆包括了六个分部：哺乳动物、鸟、两栖和爬行动物、鱼、昆虫及其他节肢动物、以及软体动物等，这些分部收藏的标本大约有一千五百万种。
The Museum includes six divisions: mammals, birds, amphibians and reptiles, fishes, insects and other arthropods, and molluscs. The divisional collections include some 15 million specimens.
该博物馆包括了六个分部：哺乳动物、鸟、两栖和爬行动物、鱼、昆虫及其他节肢动物、以及软体动物等，这些分部收藏的标本大约有一千五百万种。
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