名詞 antenna:

1. an electrical device that sends or receives radio or television signals
   同義詞：aerial, transmitting aerial
2. sensitivity similar to that of a receptor organ
   同義詞：feeler
3. one of a pair of mobile appendages on the head of e.g. insects and crustaceans; typically sensitive to touch and taste
   同義詞：feeler

1. A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals.
   無(wú)線(xiàn)方向探測(cè)器一種無(wú)線(xiàn)電接收和指向天線(xiàn)系統(tǒng)，用來(lái)確定收到的無(wú)線(xiàn)電信號(hào)的角方向
2. No antenna, no radio, we're back in the nineteenth century!
   沒(méi)有天線(xiàn)，沒(méi)有無(wú)線(xiàn)電，我們回到十九世紀(jì)了。
3. Extended the radio antenna.
   把收音機(jī)的天線(xiàn)拉到最長(zhǎng)
4. You should fix the television antenna before receiving programs.
   接收節(jié)目前，你應(yīng)該先裝天線(xiàn)。

an.ten.na

n.（名詞）
【復(fù)數(shù)】 an.ten.nae[-tμn.ô] 縮寫(xiě) ant.

Zoology One of the paired, flexible, segmented sensory appendages on the head of an insect, a myriapod, or a crustacean functioning primarily as an organ of touch.
【動(dòng)物學(xué)】 觸角，觸須：昆蟲(chóng)、多足綱節(jié)肢動(dòng)物或甲殼類(lèi)動(dòng)物頭部的一對(duì)靈活的管狀感覺(jué)器官之一，主要為觸覺(jué)器官
Something likened to this sensory appendage, as in function or form:
感覺(jué)，直覺(jué)：功能或形狀與這種感覺(jué)器官類(lèi)似的東西：
例句：
sensitive public relations antennae.
敏感的公關(guān)直覺(jué)

pl. an.ten.nas A metallic apparatus for sending or receiving electromagnetic waves.Also called In this sense, also called aerial
【復(fù)數(shù)】 an.ten.nas 天線(xiàn)：用于放射或接收電磁波的金屬儀器也作 在此意義上也可稱(chēng)作 aerial

來(lái)源：
Medieval Latin
中世紀(jì)拉丁語(yǔ)
from Latin [sail yard]
源自 拉丁語(yǔ) [帆桁]
translation of Greek keraia [insect feeler, yardarm]
希臘語(yǔ) keraia的翻譯 [昆蟲(chóng)觸角，桁端]

【引伸】
anten.nal
adj.（形容詞）