词组450-121/140

121. by all means  无论如何 122. by chance  偶然，意外地  123. by choice  通过选择  124. by contrast  对比之下 125. by means of  用，依靠，借助于  126. by means of  借助于  127. by mistake  错误地  128. by the way  顺便提一下  129. by virtue of  凭借，由于 130. by way of  经由，通过…方式  131. call forth  唤起  132. call for  邀请，要求，需要  133. call off  取消  134. call on/upon  访问，拜访  135. care for  照顾，关心，喜欢  136. carry out  贯彻，执行 137. cast light on sth.  阐明某事 138. catch up with  赶上 139. catch sight of  看见 140. center on 集中在，以...为中心