词典释义：
a rod, wire, or other structure by which signals are transmitted or received as part of a radio or television transmission or receiving system
天线。
(
空中技巧滑雪。
existing, happening, or operating in the air
在空中（存在、发生或进行）的
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an aerial battle 空战
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an intrepid aerial adventurer .无畏的空中冒险者。
coming or carried out from the air, especially using aircraft
（尤指用飞机）来自空中的，在空中进行的
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aerial bombardment of civilian targets 对民用目标的空中轰炸
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aerial photography .航空摄影。
(of a part of a plant)growing above ground
（植物的某部分）气生的。
(of a bird)spending much of its time in flight
（鸟）长时飞翔的，在空中翱翔的。
of or in the atmosphere; atmospheric
（在）大气（中）的。
〈喻〉 空气般的，虚无缥缈的，虚幻的。
"late 16th cent． （in the sense ‘thin as air, imaginary’）： via Latin
