baby boom 生育高峰期
back and forth 来回地
balsam fir 香脂冷杉
battle against 反对
be absorbed by 被...吸收
be accompanied by 伴随
be accustomed to 习惯于
be admitted to 加入
be analogous to 与...类比
be applied to 用于
be applied with 装配有
be assigned to 归属于
be associated with 与...联系在一起
be at a loss 茫然不知所措
be at home in 熟悉，精通
be at war with 与...交战
be attributed to 归于...
be bound by 受...约束；由...联系起来
be bound to 一定；必然
be brought up 被抚养
be carpeted with 覆盖着
be cast up on 定居在
be characteristic of 具有...特色的
be closely bound up with与...有密切联系
be combined with 使...与结合(组合)
be committed to 忠于某一立场；坚定的
be compared to 与...相比
be confined to 局限于
be connected by 由...连接
be connected with 与...有关
be convinced that... 确信
be credited to... 归功于...
be dedicated to 从事于；致力于
be derived from 来自
be directed against 指向...
be distinguished for 因...而著称
be dotted with 点缀着
be dramatized by 通过...得到形象地说明
be exposed to 处于...的作用下；使曝光
be filled with 装满
be friendly with 对...友好
be heavily forested 森林茂密的
be held in particularly high 非常受器重
be held in position 使...处于适当位置
be honored with 被授予
be in domestic service当佣人
be in the hands of 出自...的手
be left for dead 被认为已死给撇下不管(意指无法解的难题)
be limited to 局限于
be located on 位于；坐落在
be obliged to 被迫做
be of prime importance极其重要
be patterned on 以...为模式
be paved with 铺满，遍布
be preferable to 比...更好
be put in chains 被囚禁
be recognized as 被认为是...
be related to 与...有关
be reported as 报道称之为
be resistant to 对...有抵抗作用
be restricted to 局限于
be secreted from 从...分泌出来
be short of 不及；少于；缺少
be substituted for 替代
be taken by 被...吸引
be the case 情况属实
be the rage 极为流行之物；风靡一时
be the rule 普通情况；惯常的事
be tired of 厌倦
be traced to 追溯到
be viewed as 被看作是
become (get) involved介入
before long 不久以后
begin with the idea that最初的想法是
behind the lines 在后方
belt buckle 皮带搭扣
Bessemer converter 酸性转炉(旧称贝氏转炉)
Bill of Rights 《人权法案》
billions of 亿万
birth rate 出mso-hansi-font-family: 'Times New Roman'">破裂
blow up 炸毁
blue whale 蓝鲸
born into 出身于...家庭
bounce bout 来回弹跳 （编辑：雨巷）
