单词：at call
[经] 遂时偿付
at call的用法和样例：
例句
- The doctors in our hospital are at call day and night.我们医院的医生随叫随到。
- He has a large number of reference books at his disposal.他有大量的参考书可供使用。
- Airliners in service at present cannot fly faster than the speed of sound.目前供使用的客运机飞行速度不能超过音速。
词汇搭配
- at the beck and call of听候…的吩咐...
- money at call短期放款
- call at短暂访问（某地）...
- at someone's beck and call唯某人之命是从...