1.call forth 使产生，使起作用，唤起
例句：Great crises often call forth gifted leaders.
危急存亡之际常能产生天才的领袖。
2.call for 需求，需要，提倡
例句：Different circumstances call for different tactics.
不同的情势需要不同的策略。
3.race through 匆忙地做
例句：Its invisible rays race through space at the speed of light to warm solid objects such as floors, equipment, and people, before the air is heated.
这种不可见的射线以光速穿过空间，在加热室内空气之前，首先使地板、设备以及人体这些实体温暖起来。
4.call the roll 点名
例句：I'll call the roll before class.
课前我要点名。
5.call back 回电话
例句：Maybe she'll call back. She promised.
也许她会打电话回来。她说了。
6.call in 召集，召来，收回
例句：May I call in this evening?
我可以在今天晚上来访问吗？