例句與造句

1. The reason for letting operators override red signals is simple : the people who run the system, normally concerned with keeping trains a safe distance apart, sometimes want them to narrow that gap.
2. When the train detects that there are fewer than two holdpoints between itself and the preceding train, the emergency brakes are immediately applied and cannot be released until sufficient spacing becomes available or the operator overrides the system.
3. It's difficult to find operator override in a sentence. 用operator override造句挺難的