And finishing the last track with a successful flight - landing him in the second place.

整理了一个成功的飞行轨道上-降落在他的第二位。

youdao

The Air Force is also testing jet engines using biofuels and had the first successful biofuel-powered test flight just last week.

WHITEHOUSE: Energy Security and Independence

The interceptors, vehicles that are launched to intercept intercontinental missiles in flight, have failed in some recent tests, with the last fully successful test occurring in 2008.

WSJ: U.S. to Boost Missile Defenses in Response to North Korea