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shortwave

/ˈʃɔːrtˌweɪv/ /ˈʃɔːrtweɪv/

Meanings
noun

短波，高频波。

An electromagnetic wave having a wavelength between approximately 10 and 100 meters, corresponding to frequencies between 3 and 30 MHz.

Examples :

"Shortwaves are longer than microwaves."
短波比微波的波长更长。
physics technology electronics communication signal frequency media

Related Words

Illustration broadcasting

broadcasting verb

/ˈbɹɔːdkæstɪŋ/ /ˈbɹɔdkæstɪŋ/

广播，播放。

"The local radio station is broadcasting the school's graduation ceremony live this afternoon. "

今天下午，本地的广播电台正在直播学校的毕业典礼。

Illustration approximately

approximately adverb

/əˈpɹɒk.sɪ.mət.li/ /əˈpɹɑk.sɪ.mət.li/

大约，大致，左右。

"...approximately 60 beats per minute."

...大约每分钟60次。

Illustration especially

especially adverb

/əˈspɛʃ(ə)li/

特别，尤其。

"My sister is very helpful, especially when it comes to organizing things. "

我妹妹很乐于助人，尤其是在整理东西方面。

Illustration corresponding

corresponding verb

/ˌkɒɹəˈspɒndɪŋ/ /ˌkɑɹəˈspɑndɪŋ/

相符，相应。

"The student's performance on the math test corresponded to the level of effort she put in during the week. "

这位学生在数学考试中的表现与她这周付出的努力程度相符。

Illustration transmitting

transmitting verb

/trænzˈmɪtɪŋ/ /trænsˈmɪtɪŋ/

传输，传送。

"The radio station is transmitting music all day. "

这家电台一整天都在播放音乐。

Illustration frequency

frequency noun

/ˈfɹiːkwənsi/

频率， 频度.

"The frequency of bus service has been improved from one every 15 to one every 12 minutes."

现在公交车的发车频率提高了，从原来的每15分钟一班改为每12分钟一班。

Illustration wavelength

wavelength noun

/ˈweɪvlɛŋ(k)θ/ /ˈweɪvˌlɛŋ(k)θ/

波长

"The radio waves used in the school's wireless network have a specific wavelength. "

学校无线网络使用的无线电波具有特定的波长。

Illustration broadcasts

broadcasts noun

/ˈbrɔdkæsts/ /ˈbrɔdkɑːsts/

广播，播放节目

"The school's announcements are broadcast every morning over the intercom. "

学校每天早上通过对讲系统播放广播通知。

Illustration microwaves

microwaves noun

/ˈmaɪkroʊweɪvz/

微波

"My science textbook explains that microwaves are a type of energy, like radio waves but with a shorter wavelength. "

我的科学课本解释说，微波是一种能量，就像无线电波一样，但是波长更短。

Illustration grandfather

grandfather noun

/ˈɡɹæn(d)ˌfɑːðə(r)/ /ˈɡɹæn(d)ˌfɑðɚ/

爷爷，外公

"My grandfather helped me with my math homework. "

我的爷爷帮我做了数学作业。

Illustration electromagnetic

electromagnetic adjective

/ɪˌlɛktroʊmæɡˈnɛtɪk/ /ɪˌlɛktrəʊmæɡˈnɛtɪk/ /iˌlɛktroʊmæɡˈnɛtɪk/ /iˌlɛktrəʊmæɡˈnɛtɪk/

电磁的

"The cell phone emits electromagnetic waves that allow us to communicate. "

手机发出电磁波，让我们能够进行通信。

Illustration frequencies

frequencies noun

/ˈfriːkwənsiz/ /ˈfriːkwənsiz/

频率，频次。

"The frequency of bus service has been improved from one every 15 to one every 12 minutes."

公共汽车的发车频率已经从每15分钟一班提高到每12分钟一班。