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.
   無線方向探測器一種無線電接收和指向天線系統(tǒng)，用來確定收到的無線電信號的角方向
2. No antenna, no radio, we're back in the nineteenth century!
   沒有天線，沒有無線電，我們回到十九世紀(jì)了。
3. Extended the radio antenna.
   把收音機的天線拉到最長
4. You should fix the television antenna before receiving programs.
   接收節(jié)目前，你應(yīng)該先裝天線。

an.ten.na

n.（名詞）
【復(fù)數(shù)】 an.ten.nae[-tμn.ô] 縮寫 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.
【動物學(xué)】 觸角，觸須：昆蟲、多足綱節(jié)肢動物或甲殼類動物頭部的一對靈活的管狀感覺器官之一，主要為觸覺器官
Something likened to this sensory appendage, as in function or form:
感覺，直覺：功能或形狀與這種感覺器官類似的東西：
例句：
sensitive public relations antennae.
敏感的公關(guān)直覺

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：用于放射或接收電磁波的金屬儀器也作 在此意義上也可稱作 aerial

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

【引伸】
anten.nal
adj.（形容詞）