1
directional + noun
常用于名词前作定语，表示‘定向的’。
The directional antenna improved reception.
定向天线提高了接收效果。
方向的；定向的
先理解核心含义，再看它在真实句子里的用法。
方向的；定向的
relating to or indicating direction in space
The directional antenna improved reception.
定向天线提高了接收效果。
指示方向的
Indicating direction.
与空间方向有关的或指示空间方向的
relating to or indicating directions in space
与指导或帮助有关的
Of or relating to guidance or help.
指向(非空间)目标的
relating to direction toward a (nonspatial) goal
The directional arrow on the sign pointed south.
标志上的定向箭头指向南方。
AI contextual example
This microphone has a directional pickup pattern, so it only records sound from the front.
这款麦克风具有定向拾音模式，因此只记录来自前方的声音。
AI contextual example
A directional antenna can improve signal strength by focusing the transmission in one direction.
定向天线通过将传输聚焦在一个方向上，可以增强信号强度。
AI contextual example
a directional microphone
定向麦克风。
WordNet
常用于名词前作定语，表示‘定向的’。
The directional antenna improved reception.
定向天线提高了接收效果。
用于系动词后作表语，描述物体具有方向性。
This microphone is highly directional.
这个麦克风是高度定向的。
Not this
This is a direction sign.
Use this
This is a directional sign.
这里应该用形容词'directional'修饰'sign'，而'direction'是名词，不能作定语。
Not this
The antenna points directional.
Use this
The antenna points directionally.
动词'points'需要副词修饰，而'directional'是形容词，应改为副词'directionally'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
定向天线
A directional antenna sends and receives signals more effectively in one direction.
定向天线在一个方向上发送和接收信号更有效。
指向性麦克风
The reporter used a directional microphone to capture the speaker's voice from a distance.
记者使用指向性麦克风从远处捕捉演讲者的声音。
定向钻井
Directional drilling allows engineers to reach oil deposits that are not directly beneath the drill site.
定向钻井使工程师能够到达钻探地点正下方之外的油藏。
方向指示牌
The directional signs in the mall guide visitors to the exits.
商场里的方向指示牌为顾客指引出口。
方向控制
The pilot maintained directional control during the strong crosswind.
飞行员在强侧风中保持了方向控制。
定向流动
The design promotes directional flow of foot traffic through the exhibition.
该设计促进了展览中人流的有序定向流动。
Use directional naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：direction（方向）+ al = directional，像指路箭头一样指示方向。
语域：mixed 常见场景：spatial direction、technical equipment、abstract goals 「directional」在不同搭配中语域略有差异：表示空间方向（如 directional sign）时比较中性常用；用于技术设备（如 directional antenna）时多出现在专业语境；用于抽象目标或指导（如 directional strategy）则偏正式。建议根据具体搭配判断语域。
通常作定语
Dictionary facts from ECDICT, WIKTIONARY.