开放百科全书-自由、开放的英语、德语、日语等多语种国际百科全书

开放百科全书收录579518条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。

热门查询：

Bloch，Ernest	Bloch，Konrad Emil	Bloch，Marc	block book	block mountain
Blocksberg	Block，Herbert Lawrence	Bloemfontein	Bloemfontein Convention	Blois
Blok， Aleksandr Aleksandrovich	Blondel，Maurice	Blondin，Charles	blood	blood bank
blood clotting	blood groups	bloodhound	blood nuke	blood plasma
blood poisoning	blood pressure	bloodroot	blood sports	bloodstone
blood test	blood transfusion	blood type	blood vessels	bloodworm
Bloody Assizes	Blood，Colonel Thomas	Blood，Council of	Bloomer，Amelia Jenks	Bloomfield
Bloomfield，Leonard	Bloomington	Bloomington	Bloomsbury group	blowfish
blowfly	blowgun	Blow，John	Blucher，Gebhard Leberecht von	Bluebeard
bluebell	blueberry	bluebird	bluebonnet	bluebottle
blue crab	Bluefields	bluefish	bluegill	bluegrass
blue gum	blue jay	blue laws	Blue Mountains	Blue Nile