1
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
先理解核心含义，再看它在真实句子里的用法。
全向的；无方向性的
In every direction; able to transmit, receive, or detect signals or sounds from any direction.
omnidirectional antenna
全向天线
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。
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。
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。
AI contextual example
omnidirectional antenna
全向天线
WordNet
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。
Not this
The device has a omnidirectional sensor.
Use this
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'。
Not this
The antenna has good omnidirectional.
Use this
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。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use omnidirectional naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
通常用于名词前作定语，无比较级。
Dictionary facts from ECDICT, WIKTIONARY.