call on
... call off叫走,叫开;取消 call on访问;号召;呼吁 call up征召(服役),动员 ...
call upon
... give me a call给我打电话 call upon号召;要求;拜访 call up打电话给;召集;使想起;提出 ...
call for
... by and by不久;以后;后来 call for去取(某物);去接(某人);要求;号召 call upon探访;请求(某人)做某事,号召 ...
summon
... wear out 用尽;耗光 summon.v.号召 outgrow.v.增长得超过 ...