起飞

The rocket was ready for liftoff, and the countdown had begun.
火箭准备发射，倒计时已经开始。
Liftoff was smooth, and the spacecraft ascended into the sky.
发射过程顺利，航天器升入天空。
The astronauts were given the go-ahead for liftoff at precisely 10:00 AM.
宇航员们在准确的10:00 AM被批准进行发射。
The excitement grew as the moment of liftoff approached.
随着发射时刻的临近，兴奋感不断增长。
Liftoff caused a massive shockwave that could be felt for miles around.
发射产生了巨大的冲击波，方圆数英里都能感觉到。
After years of planning, the day of liftoff finally arrived.
经过多年的规划，发射日终于来临。
Liftoff was delayed due to technical issues with the spacecraft's engines.
由于航天器发动机出现技术问题，发射被推迟。
The liftoff was witnessed by thousands of people gathered at the launch site.
成千上万的人聚集在发射场目睹了发射。
Liftoff was a critical moment that required precise calculations and timing.
发射是一个关键的时刻，需要精确的计算和时间控制。
The successful liftoff marked the beginning of a new era in space exploration.
成功的发射标志着太空探索新时代的开始。