漂砾    boulder?

砾质土    bouldery ground?

化合水    bound water?

境界线色带    boundary band?

边界条件    boundary conditions?

边界层    boundary layer?

境界线    boundary line?

境界符号    boundary symbol?

边值向题    boundary value problem?

图廓经线    bounding meridian?

图廓纬线    bounding parallel?

牛痘    bovine smallpo?

箱状褶皱    box fold?

黄杨林    box forest?

短轴褶皱    brachy fold?

短背斜    brachyanticline?

咸水泻湖    brackish lagoon?

半咸湖    brackish water lake?

咸水草甸    brackish water meadow?

半咸沼泽    brackish water swamp?

微咸水    brackish water?

缓震    bradyseism?

网状河道    braided channel?

网状河道    braided stream?

黑果莓丛林    bramble brake?

支线    branch line?

支流    branch of a river?

枝    branch?

授    branches?

分支    branching?

红柽柳    branchy tamarisk?

褐锰矿    braunite?

剥层火山弹    breadcrust bomb?

层缺    break in sedimentation?

碎石    break stone?

碎波区    breakers zone?

呼吸根    breathing root?

似角砾岩结构    breccia like structure?

角砾构造    breccia structure?

角砾岩    breccia?

角砾脉    brecciated vein?

育种    breeding?