查询词典 invertebrates

Previous research has suggested that the true producers of numerous natural products isolated from marine invertebrates were the microbial epibiont and symbiont which are deemed as not-yet-cultivated microbe.

对海洋无脊椎动物天然产物的研究表明，很多种活性物质的真正生产者是与其共生或附生的未培养微生物。

Toothlike structure in invertebrates found in the mouth or alimentary canal or on a shell.

无脊椎动物口中或消化道或壳上发现的牙状结构。

Robert Akehurst has been a coldwater and tropical aquarium hobbyist since childhood and has been keeping marine fish and invertebrates for almost a decade.

罗伯特akehurst一直是冷水和热带水族馆爱好者自童年起，并一直保持海洋鱼类和无脊椎动物近十年。

BIOLOGIST: For example the Tuatara and the night frogs, the flightless crickets and these incredibly bizarre forms, it's a mere sized invertebrate with tast on it which only comes out at night and eats other invertebrates, saucer sized predatory snails, earthworms we meet a lot, things like the Moana kiwi.

生物学家：例如大蜥蜴和夜蛙，不能飞的蟋蟀以及有着不可思议的奇怪外型的动物，它是一种小型的无脊椎动物，只在夜间活动，捕食其他无脊椎动物，茶托状的食肉蜗牛，蚯蚓是常见的动物，还有摩阿纳鹬鸵。

Zoologythe shell or integument of some invertebrates and protozoans, especially the chalky shell of a foraminiferan or the tough outer layer of a tunicate

动（一些无脊椎动物和原生动物的）甲壳；介壳；被囊

The results showed that the juvenile A. sinensis mainly fed on demersal fish, polychaeta and amphipoda, as well as some small-sized benthic invertebrates including shrimp, crab and bivalve.

结果表明：长江口中华鲟幼鱼以底栖小型鱼类、多毛类和端足类为主要食物，兼食虾类、蟹类及瓣鳃类等小型底栖动物。

Enigmatic small elongated wormlike terrestrial invertebrates of damp dark habitats in warm regions; distinct from the phylum Annelida; resemble slugs with legs and are sometimes described as the missing link between arthropods and annelids.

身体细长、比较神秘的陆地无脊椎动物，生长在潮湿阴暗的温带地区；与环虫动物门截然不同；与蛞蝓的腿相似，有时被认为介于环节动物和节肢动物之间。

But if that theory is correct then bdelloid rotifers, freshwater invertebrates that haven't had sex in at least 30 million years, should have been parasited into extinction long ago.

但是如果这个理论是正确的，那么蛭形轮虫（一种淡水无脊椎动物，它已经无性繁殖至少3000万年了）应该在很早以前就被寄生虫消灭了。

But if that theory is correct then bdelloid rotifers, freshwater invertebrates that haven't had sex in at least 30 million years, should have been parasited into extinction long ago.

但是如果这个理论是正确的，那么蛭形轮虫，这种至少已经存活了3千万年的无性繁殖的淡水无脊椎生物，应该早就因为感染寄生虫而灭绝了。

They haven't had sex in some 30 million years, but some very small invertebrates named bdelloid rotifers should have gone extinct long ago.

蛭形轮虫这种无脊椎动物应该在很久以前就已经灭亡了，因为他们已经禁欲大约3000万年了。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48