109. bound for开往
110. break down抛锚
111. break though突破
112. break up with和某人分手be through with / be finished with 113. bring about 使…发生
114. bring someone up to date帮某人赶上help someone catch up 115. by accident 偶然
116. by air 通过航空途径
117. by all means 尽一切办法,务必
118. by and by 不久,迟早
119. by chance 偶然,碰巧
120. by far 最,...得多
121. by hand 用手,用体力
122. by itself 自动地,独自地
123. by means of 用,依靠
124. by mistake 错误地,无意地
125. by no means 决不,并没有
126. by oneself 单独地,独自地
127. by reason of 由于
128. by the way 顺便说说
129. by virtue of 借助,由于
130. by way of 经由,通过...方法