[, ]the moment at which an aircraft leaves the ground（飞机的）起飞◆The plane is ready for take-off.飞机即将起飞。OPPlanding the moment at which sth suddenly becomes very successful大获成功；起飞◆The local economy is poised for take-off.当地经济蓄势待发。◆The company are hoping for a quick take-off for their latest phone.这家公司希望他们的最新款电话一举成功。➡take off at take verb