call for 邀请;要求,需要
call forth 唤起,引起;振作起,鼓起
call off 放弃,取消
call on/upon 访问,拜访;号召,呼吁
call up 召集,动员;打电话;使人想起
carbon dioxide 二氧化碳
sulfur dioxide二氧化硫
id card 身份证
credit card 信用卡
care for 照顾,关心;喜欢,意欲
take care 小心,当心
take care of 照顾,照料;承担,处理,负责
carry off 夺去
carry on 继续下去,坚持下去;从事,经营
carry out 贯彻,执行,实现
in any case 无论如何,总之
in case 假如,以防(万一),免得
in case of 假如,万一
in no case 决不
catch on 理解,明白
catch up with 追上,赶上
per cent 百分之
by chance 偶然,碰巧
take a chance 冒险一试
in charge (of) 负责,主管
take charge of 担任,负责