brain wave 脑波
break down into 分解成...
break into 碰到；发现
break off 断裂
break off 破壳而出
break ties with 断绝与...的关系
breeze up (风)变强
bright spot 光点
bring about 导致
bring in 引如；带进
bring sb. to the scene使...来到现场
bring sth. to a close结束
bring...to an end routine结束
broad-brimmed hat 宽边帽
Bronze Age 青铜器时代
build confidence 树立信心
bump into 碰到
burn out 烧掉
burst apart 猛烈爆裂
by accident 偶然
by means of 通过
by no means 决不，并不是
by one's own admission自已承认(认为)
by one's own power 靠自身的能力
by the (thousands) 按(千)计算
by the age of 到...年龄
by the close of 到...末期
by the way 顺便说一下
by twos 每两人(一组)
call for 要求
call for 要求
cannot help but 禁不住
capture the imagination of激起...的想象
capture the imagination of激发...的想象力
care about 关注；对...感兴趣
care for 照料(看)
carry on 进行
carry out 进行
carry sth. on one's back背在背上
carve out of 从...切出(引伸为修建)
cash prize 现金奖励(赏)
catch a glimpse of 看一看，瞥见
catch on 流行起来
cater to... 满足...的需要；迎合
caught up with 入迷；给...迷住
cause damage to 带来损害
cave painting 洞穴壁画
chains of islands 岛群
chamber music 室内乐
chaos and confusion 混乱与浑沌
chemical bond 化学键
chemical compound 化合物
chemical integration 化学结合
chip out 切成小片
church tower 教堂塔
circulatory system 循环系统
civic duties 公民义务
civil law 民法
civil service 行政部门
Civil War 美国内战(南北战争)
clay pottery 黏土陶瓷器
clean up 清理干净；清除
clear of 离开；脱离