1.launch 正式用语。一般指火箭、导弹、飞船、卫星、航天器、飞行器、武器等的发射；也指在水中发射即潜射等：
This morning's launch of the space shuttle Columbia has been delayed.
原定今早“哥伦比亚”号航天飞机的发射已被推迟。（可作名词）
to launch a communications satellite
发射通信卫星
to launch a missile/rocket/torpedo
发射导弹 / 火箭 / 鱼雷
The rocket was launched in March 1980.
这枚火箭发射于1980年3月。
The satellite was launched in a rocket. 这颗卫星是装在火箭上发射的。
A Delta II rocket was launched from Cape Canaveral early this morning.
今天一早，一枚“德尔塔”Ⅱ型火箭在卡纳维拉尔角发射升空。
China will launch more space probes to the moon.中国将向月球发射更多太空探测仪。
NASA plans to launch a satellite to study cosmic rays.
美国国家航空航天局计划发射一颗卫星上天，对宇宙射线进行研究。
The two countries signed an agreement to jointly launch satellites.
两国曾签订了联合发射人造卫星的协议。
2.lift off
原始意义是起飞，可延伸为火箭、导弹、飞船、卫星、航天器、飞行器、武器等的发射发射，升空
lift-off 是名词，发射，升空
lift off动词短语：发射，升空
Ten minutes to lift-off.
(火箭)还有十分钟发射。
Ten minutes to go before the rocket lifts off.
火箭还有十分钟发射。
Millions of audience were glued to the TV watching the lift-off.
数百万的观众守在电视机前看发射。
The rocket tumbled out of control shortly after lift-off.
发射后不久，火箭就失控坠落了。
The lift-off was delayed about seven minutes发射时间推迟了7分钟左右。
The space shuttle won't lift off the launch pad until Sunday at the earliest.这架航天飞机最早要到星期天才会发射升空。《柯林斯英汉双解大词典》
The plane lifted off and climbed steeply into the sky.
飞机起飞并迅速爬升至空中。
The distressed lifted off a signal flare.
遇难者发射一枚信号弹。
The rocket lifted off.
火箭升空了。
3.send(up/out/forth/to)
发射（火箭等，也可指发射爱意）
China has sent up the manned spaceship successfully.
中国已经成功发射了载人宇宙飞船。
When are they going to send up the rocket?
他们准备什么时候发射火箭？
Yet bigger satellites will be sent up into orbit
更为大型的卫星将被送入轨道。
He can’t help sending love to her.
他忍不住向她发射爱意。
The transmitters will send a signal automatically to a local base station
发射台会自动将信号发射到地方基站。
A rescue plan could be achieved by sending an unmanned module to the space station.
可以通过向太空站发射无人太空舱来实现救援计划。
A radio signal was sent to the spacecraft.
向宇宙飞船发出了无线电信号。
When did China send up its first man – made satellite?
中国是什么时候发射第一颗人造卫星的？
If you have your own Acme Rocket Launcher, you can create and send up rockets that show off your personality and creativity.
如果你有自己的Acme火箭发射器,你可以创造和发射火箭,展示你的个性和创造力。
中考真题- 2019 福建 阅读B
Send out指发出光、声音、信号等。
The sun sends out light all the time.
太阳一直发光。
When did that ship send out an SOS signal?
那艘船何时发出呼救信号的？
4. blast off（火箭等）点火起飞，离地升空
The space shuttle had been scheduled to blast off at 04:38
航天飞机已经预定于凌晨4点38分发射升空。
Columbia is set to blast off at 1:20 a.m. Eastern Time tomorrow.
哥伦比亚号定于东部时间明晨1:20点火起飞。
The Shenzhou VI is expected to blast off within the next two years.
神舟六号预计将在两年内发射升空。
The controllers counted down to blast off .
控制器倒读数到发射时间。
The rocket will Blast off sometime tomorrow.
火箭将在明天某时升空。
Atlantis is due to blast off on Friday from the Kennedy Space Center in Florida, bound for the International Space Station.
亚特兰蒂斯号航天飞机将于周五在佛罗里达州肯尼迪太空发射中心发射升空，前往国际空间站。
5. emit [正式] 发射（主要是能量，热、光、气或气味等）
The candle on the table emitted dim light.
桌子上的蜡烛发出微弱的光。
Fireflies don't emit heat.
萤火虫不散发热。
The moon is emitting cool light through clouds.
月亮透过云层放射出寒光。
Sulphur gases were emitted by the volcano.
硫磺气体由火山喷发出来。
The radio stations emit energy into the air.
无线电站把能量发射到空中。
6. transmit
基本意思是“传送”，衍伸为发射；常指光波、电波的发射；例句：
The device is not designed to transmit to satellites.
该设备不是为向卫星发射信号而设计的。
The game was transmitted live in Spain and Italy.
这场比赛在西班牙和意大利进行了现场直播。
The ceremony was transmitted live by satellite to over fifty countries.
典礼通过卫星向五十多个国家进行了实况转播。
Phone lines could only transmit information at a limited rate.
电话线路只能以有限的速度传输信息。
This is currently the most efficient way to transmit certain types of data like electronic mail
这是目前传送电子邮件等某些类型的数据的最高效方式。
Audio signals can be transmitted along cables without distortion.
声音信号可以通过电缆传送而不失真。
The information is electronically transmitted to schools and colleges
信息通过电子方式传送到各所学校和学院。
He transmitted his keen enjoyment of singing to the audience.
他把自己对演唱的激情投入传递给了观众。
The images of the moon's surface were transmitted back to earth and printed out
月亮表面的图像被传回到地球并打印出来。
Television is increasingly being transmitted by satellites.
越来越多的电视节目通过卫星进行转播。
7. let sth. fly“让...飞”，发射
They let fly a shower of arrows.
他们发射一阵箭。
The troops let fly a volley of gunfire.
部队进行了雨点般的扫射。
8.shoot发射子弹
This is just a toy gun: it doesn't shoot.
这只是玩具枪并不能发射子弹。
He shot an arrow from his bow.
他张弓射了一箭。
A man was shot in the leg.
一个人被射中腿部。
They go shooting in Scotland.
他们上苏格兰去打猎。
He taunted armed officers by pointing to his head, as if inviting them to shoot.
他用手指着自己的头来嘲弄武装警察，好像在招引他们开枪一样。
The space shot was shown live on television. 此次太空发射在电视上做了实况转播。
牛津高阶英汉双解词典（shot 名词，发射）
9.fire开火、点燃，衍伸为枪火发射。
Seven people were wounded when soldiers fired rubber bullets to disperse crowds
士兵发射橡皮子弹驱散人群时有7个人受了伤。
They were to fire a salvo of blanks, after the national anthem.
奏完国歌后，他们将同时发射空弹。
Missiles were fired at the enemy. 向敌人发射了导弹。
She fired her gun at enemy.
她开枪向敌人发射。
take off也可以作“发射”
Discovery's takeoff this morning from Cape Canaveral was flawless.
“发现”号航天飞机今晨从卡纳维拉尔角顺利发射升空。