用英文介绍水母的习性
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EcholocationInemittinghigh-pitchedsoundsandlisteningtoresultantechoes,theprocessusedinradartechnolog
水母的饲养也会因种类而各有不同,在水族葙的养殖上,有以下几点:1水质:首先,水母饲养箱中的气泡、水流是最需长期注意的问题,然后就是曝气的重要性.在海洋有了一定的平衡生态,在此不详细讨论.水中的氮气、二
Rabbit--------------------------------------------------------------------------------Name:Rabbit,Fa
Thedogisapackanimalandisthereforesociableandenjoyingcompany.Inthewilddogsfollowacomplexhierarchywith
Thisisamouse.Itisbig.Itisgrey.Itlivesinahole.Itlikestoeatrice.Ilikeit!
acaleph[`AkElef]挨克来夫这么读n.[动]水母aurelia[C:5ri:liE]n.蛹,水母
Horsesinthewild,aresocialanimals,takecareofeachother,letthehorsefeelmoresecure.Fedthehorses,although
ElephantsElephantisthelargestanimalonlandtoday.Itweightssomeninetykilogramsandisaboutonemetrehighwhe
鱼在水下四处游动,其主要目的就是觅食,因为这是它们赖以生存的唯一手段,鱼又是变温动物,它的体温随着水温变化而变化,所以说不同季节的水温变化都很大程度上限制了鱼的活动范围.Fishinunderwate
Anelephantfamilyisruledbyamatriarch(olderfemale),andgenerallyconsistofherfemaleoffspringandtheiryoun
SouthChinatigerrangeTheSouthChinatigerorSouthChinesetiger(traditionalChinese:华南虎;simplifiedChinese:华
Tigers(Latin:Pantheratigris,ofIranianorigin:tighra)aremammalsoftheFelidaefamilyandoneoffour"bigcats"
其实有一本书就叫《海洋》,是纪录片的书,封面是座头鲸.内容很丰富,插图和解说都很清楚
水母虽然长相美丽温顺,其实十分凶猛.在伞状体的下面,那些细长的触手是它的消化器官,也是它的武器.在触手的上面布满了刺细胞,像毒丝一样,能够射出毒液,猎物被刺螫以后,会迅速麻痹而死.触手就将这些猎物紧紧
桃花水母是原始低等的无脊椎动物,最早诞生于约5.5亿年前,是国家濒危野生动物.桃花水母对生存的水环境要求很高,水中不能含有有毒、有害物质.如云南抚仙湖水质50年来基本没有发生变化,因此桃花水母得以在此
是需要灰狼的介绍吗?我推荐一篇:IntroductionandGeneralDescription:Thegraywolf,Canuslupus,alsoknowasthetimberwolfortu
BehaviorofSquirrelsSquirrelsbreedonceortwiceayear,andgivebirthtoavaryingnumberofyoungafterthreetosix
http://baike.baidu.com/view/1480.htm
Jellyfish
Thedog(Canislupusfamiliaris,[1]pronounced/ˈkeɪnɨsˈluːpəsfəˈm