Word · Frequency #23426
antenna
天线
an electrical device that sends or receives radio or television signals
- 1.
An appendage used for sensing on the head of an insect, crab, or other animal.
昆虫、螃蟹或其他动物头部用于感知的附肢。
- 2.
An apparatus to receive or transmit electromagnetic waves and convert respectively to or from an electrical signal.
用于接收或发射电磁波并分别转换为电信号或从电信号转换的装置。
- 3.
The faculty of intuitive astuteness.
直觉敏锐的能力。
- 4.
A fragment of an oligosaccharide
寡糖片段。
- 5.
The spar to which a lateen sail is attached, which is then hoisted up the mast.
斜挂帆所附着的横杆,然后升到桅杆上。
触角；触须；感知力；直觉；昆虫、螃蟹或其他动物头部用于感知的附肢。；用于接收或发射电磁波并分别转换为电信号或从电信号转换的装置。；直觉敏锐的能力。
In use
The storm damaged the antenna on our roof, so we lost the television signal.
She attached a small antenna to her radio to improve the sound quality from distant stations.
Most new cars have their antennas built into the rear window instead of a separate rod.
an antenna for [device]
指接收或发送信号的装置；可数名词，复数形式为 antennas。
He bought an antenna for the old radio.
他给那台旧收音机买了一根天线。
the antenna of [insect]
指昆虫或甲壳动物头部的一对触角。
The antenna of a butterfly helps it find flowers.
蝴蝶的触角帮助它找到花朵。
have an antenna for [abstract quality]
这是比喻用法，表示对某事物的敏锐感知力或直觉。
Connections
Collocations
- TV antenna
- 电视天线
- We put up a TV antenna on the roof.我们在屋顶上架起了电视天线。
- directional antenna
- 定向天线
- A directional antenna focuses the signal in one direction.定向天线把信号集中到一个方向。
- antenna tower
- 天线塔
- The antenna tower can be seen from miles away.从几英里外就能看到那座天线塔。
- insect antenna
- 昆虫触角
- The insect antenna is covered with tiny sensory hairs.昆虫触角上布满了微小的感觉毛。
- have an antenna for
- 对……有敏锐的感知力
- She has an antenna for style.她对时尚有敏锐的感知力。
Idioms & figurative uses
Learner notes
Memory Tip
联想：昆虫头上两根‘天线’般的触角，也是电视机接收信号的‘天线’；记住 antenna 两个意思共用一根‘接收棒’。
Context & Register
语域：neutral 常见场景：broadcasting、telecommunications、automotive 表示『天线』（用于接收或发送无线电/电视信号的设备）时，antenna 属中性语体，日常口语、技术说明和新闻报道中都比较常见；正式与非正式场合均可使用。上下文多涉及广播、通信或车载设备等。
Grammar Note
antennas
Pronunciation & Spelling
真正的韵词：henna、senna、sienna（重读部分同为 /enə/）。注意 arena、agenda 拼写相近，但重读元音不同，不要照 antenna 的读音类推。
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.