1. It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash. 不久,一架直升飞机飞到现场,来搭救失事飞机的幸存者。
2. It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash. 不久,一架直升飞机飞到现场,来搭救失事飞机的幸存者。
3. It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash. 不久,一架直升飞机飞到现场,来搭救失事飞机的幸存者。
4. It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash. 不久,一架直升飞机飞抵飞机失事现场,来搭救这几个幸存者。