send up

send up
发出, 射出
Next year we'll send up a man-made satellite.
明年我们将发射一颗人造卫星。
As soon as you get to the top of the hill, send up a red flare.
你们一到达山顶，马上发射一颗红色信号弹。
When are they going to send up the rocket?
他们准备什么时候发射火箭？
Space rockets are being sent up all the time.
现在随时都有火箭发射。
They have sent up several spaceships this year.
今年，他们已发射了数艘宇宙飞船。