call for/需要;要求;值得
call off/取消
call on/拜访
call for help/呼救
call sb. /叫给打电话;
calm adj. 静的 v. 平静，镇定;平息
keep calm!/安静! 保持镇静!
calm down/使平息，使平静;
campaign n. [军]战役;活动;竞选运动v. 参加活动
campus activities/校内活动
on campus/在校内;
can v. 装进罐中;把食品装罐n. 罐头，铁罐
Cable n. 电缆;海底电报;
calculate v. 计算，考虑，计划，打算;
call n. 喊声，号召; v. 呼叫;召集; 打电话