radiate/emit/give off/send out.导航词义：散发

1. radiate:v. 散发，发射.指向四周发射光或热，作不及物动词时常后接介词 from。

The campfire radiated a warm cozy glow.

篝火发出温暖舒适的光。

Heat radiated from the glowing wood.

燃烧的木头散发出热量。

2. emit:v. 发出，散发.指发出光、热、气、声音等。

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。

3. give off:phr. v. 发出.指发出光、热、声音、气味等。

The sun gives off light and heat.

太阳发出光和热。

This particular rose gives off an incredible fragrance.

这种特殊的玫瑰散发出浓烈的香味。

4. send out:phr. v. 发出.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？

全部

1·They send out radio waves that reflect off raindrops, airplanes, bats, and so forth.

他们发射那些可以反射雨滴、飞机、蝙蝠以及其他东西的无线电波。

2·Let's send out for a pizza.

我们订一份外卖比萨饼吧。《牛津词典》

3·The crew did not send out any distress signals.

机组人员没有发出任何求救信号。《柯林斯英汉双解大词典》

4·The ferry did not even have time to send out an SOS.

这艘渡船甚至没有时间发出紧急呼救信号。《柯林斯英汉双解大词典》

5·We come here and send out for liquor.

我们到这儿来，派人去取酒。

6·The best thing is to send out the manual for every pack.

最好的办法是把每包的说明书都寄出去。

7·So the best thing is to send out the manual for every pack.

所以最好的办法是把每包的说明书都寄出去。

8·Ultrasound is used by many animals that detect and some of them send out very high frequency sounds.

许多动物都用超声波来进行侦查，有些动物还能发出非常高频的声音。

9·If we send out a robot with the single instruction of fetching coffee, it will have a strong desire to secure success.

如果我们对机器人发出一个简单的指令让它“拿咖啡”，它会有强烈的意愿去完成这一任务。

10·Body language can give away a lot about your mood, so standing with your arms folded can send out a signal that you are being defensive.

肢体语言可以透露你很多的情绪信息，所以双臂交叉站立表明你在自我保护。