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，一架直升飞机飞抵飞机失事现场，来搭救这几个幸存者。

3. It seemed impossible for people of the city to do their daily jobs, to work and eat and sleep and carry on the business of life, with the crash of bombs all around them and planes spitting fire in the skies above.
    炸弹在四周爆炸,飞机从空中向下扫射，市民们似乎不可能照常工作、上班、吃饭、睡觉、从事日常的事务。

4. For a fee of $15.60 per jump, Tokyo Roof rented me a flight suit, special shoes, gloves, earplugs(耳塞), a crash helmet, a face mask, a tooth guard and a safety harness (but no parachute).
    蹦极跳每次收费15.60美元，"东京屋顶" 租给我一套飞行服，特殊的鞋子、手套、耳塞、头盔、面罩、护牙套、还有一套安全装备（但是没有降落伞）。