liftoff名词火箭或飞机从地面脱离接触的起飞点。All eyes were fixed on the countdown clock as the rocket prepared for liftoff, signaling the exciting start of its journey into space.所有的目光都集中在倒计时时钟上,因为火箭准备起飞,标志着它进入太空旅程的激动人心的开始。一个人或动物离开地面的点,比如跳跃时的情况。想跟读,去练习