升空的英文：
lift-off

参考例句：

The projection of a missile through the air
导弹的发射升空.

The rocket blasted off at Cape Kennedy at 8 a.m. this morning.
今天上午8时，火箭从肯尼迪角升空。

Apollo II blasted off at noon.
阿波罗2号于中午发射升空.

Apollo II blasted off at noon
阿波罗2号於中午发射升空

During the attack many of our pilots noted the brave efforts of American fliers to get planes off the ground
我们出击期间，许多飞行员见到美国飞行员冒死驾机升空。

That streamer was as good as a satellite electrifying all China
这条横幅也恰如卫星初次升空那样之美好，使全中国为之惊喜不已。

We have lift-off
我们已发射升空.

Blast-off is in 30 seconds.
30秒钟后发射升空.

The rocket will blast off sometime tomorrow.
火箭将在明天某时升空。

The aircraft hadn't enough power to get off the ground, ie take off.
那架飞机的升空动力不足.

lift是什么意思：
v. 举起
n. 抬，举；电梯，升降

break [lift, raise] a blockade
冲破 [解除] 封锁

fork lift for pallets
集装箱的叉式升运机

He is lifting potatos in the field.
他正在地里挖土豆。

They decided to lift the embargo.
他们决定解除禁运。

They assumed that the blockade would be lifted.
他们估计封锁将会解除。

off是什么意思：
adv. 掉，下；离开；隔开；切断；停止；；休息；光，完，尽；全部地
prep. 从...离开；从...向下；在...的外面；偏离...；从...分岔；不再从事...；低于...
adj. 关着的；停止流通的；延期的；取消的；不工作的；处于...境况的；萧条的
v.（用于祈使句）走开，滚开；站开
n. 关掉

Is the water on or off?
自来水龙头开着还是关着？

The gilt is off.
幻想破灭了。

to nip off; to cut off; to break
掐断

take off clearance = clearance for take off
起飞许可

They panned off the sand and dirt.
他们用淘金盘淘去砂泥。