send up 和send out区别：send out：分发;散发;发出（信号、声音、光、热等）;生出，长出（根茎、枝芽等）

send up：（通过滑稽模仿）取笑，嘲弄;判…入狱;对…判刑

例句：

Any increase in production costs is bound to send up prices.

生产成本一提高就必然引起物价上涨。

They're going to send up another man-made satellite next year.

明年他们将要发射另一颗人造卫星。

例句：

Much as bats do, robots send out ultrasonic signals.

机器人就像蝙蝠那样地发出超声波讯号。

Send out a distress signal; the ship is sinking.

发出求救信号吧，船正在下沉。