英语词组on call是什么意思，短语翻译、用法及例句-英语词组固定搭配大全

词组	on call
释义	●on ˈcall (of a doctor, etc. 医生等) available for duty if needed 随叫随到◆Our qualified staff are on call 24 hours a day should you need any technical support. 如果你需要任何技术支持的话，我们有具备资质的员工 24 小时待命。
随便看	keep the pedal to the metal keep the wolf from the door keep time keep to stay on etc. the straight and narrow keep track keep track of sb keep track of sth keep up appearances keep up move etc. with the times keep up with the Joneses keep watch keep watch for sb keep watch (for sb/sth) keep watch for sth keep well in with sb keep your cards close to your chest (keep your) chin up keep your chin up keep your cool keep your distance keep your distance from sb keep your distance (from sb/sth) keep your distance from sth keep your ear close to the ground keep your ear to the ground

英语词组固定搭配大全包含20132条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。