omnidirectional + noun
表示某设备或信号在所有方向上均等接收或发射
omnidirectional antenna
全向天线
全向的；无方向性的
全向辐射的；等方向性的；全向的；尤指无线电系统能全方位收发信号,或麦克风能接收来自各方向的声音。；非定向的；具有环形辐射方向图的,所有方位角方向辐射相等。；全向的；[电] 多向性
In every direction; able to transmit, receive, or detect signals or sounds from any direction.
常用于无线电、天线、麦克风等设备。
全向的；尤指无线电系统能全方位收发信号,或麦克风能接收来自各方向的声音。
In every direction, especially of a radio system capable of transmitting or receiving signals in all directions, or of a microphone capable of detecting sound from all directions.
非定向的
not directional
具有环形辐射方向图的,所有方位角方向辐射相等。
Having a ring-shaped radiation pattern, with equal radiation in all azimuthal directions.
The omnidirectional microphone captures sound from all directions.
这种全向麦克风能够捕捉来自各个方向的声音。
用法提示：形容词omnidirectional修饰名词microphone，表示无方向性，能接收所有方向的声音。
AI contextual example
This antenna is omnidirectional, so it picks up signals equally well from every side.
这根天线是全向的，因此它同样好地接收来自各方的信号。
用法提示：形容词omnidirectional作表语，描述天线的特性：无方向性。
AI contextual example
Our robot uses an omnidirectional wheel system to move smoothly in any direction.
我们的机器人使用全向轮系统，可以顺畅地向任何方向移动。
用法提示：形容词omnidirectional修饰名词短语wheel system，表示该系统允许全方位移动。
AI contextual example
表示某设备或信号在所有方向上均等接收或发射
omnidirectional antenna
全向天线
强调属性，无需方向性
This microphone is omnidirectional.
这个麦克风是全向的。
grammar · medium
易错句子The device has a omnidirectional sensor.
正确表达The device has an omnidirectional sensor.
错误：不定冠词 'a' 用于辅音音素开头的词前，但 'omnidirectional' 以元音音素 /ɒ/ 开头，应用 'an'。
grammar · medium
易错句子The antenna has good omnidirectional.
正确表达The antenna has good omnidirectional coverage.
错误：'omnidirectional' 是形容词，不能直接用作宾语，常需后接名词（如 coverage, pattern 等）才能表达完整含义。
unidirectional强调单一方向，而omnidirectional强调所有方向。
directional泛指有方向性或指向性，而omnidirectional强调无方向性。
Choose the next layer that will help you use omnidirectional with more confidence.
Recommended next
Missing: Collocations
Complete this area with collocations.
Includes Context & register & Memory tip
Analyze the context and learn memory tricks to remember it.
More ways to explore
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Includes Spelling & sound
Explore words with similar spelling endings or sounds.
Includes Word components & Thematic vocabulary
Learn how to build related words using roots, prefixes, and thematic clusters.
Includes Idioms & Cultural references
Discover idioms, slang, and famous pop culture quotes.
Dictionary facts from ECDICT, WIKTIONARY.