a.[B]

1. 航空的；飞机的；由飞机进行的
   aerial transportation

   空运

2. 空气的；大气的；由空气组成的
   aerial currents

   气流

3. 高耸的；巍峨的
   an aerial ancient pagoda

   高耸的古塔

4. 轻如空气的
5. 无实质的；飘渺的；虚幻的
   aerial music

   梦幻般的音乐

6. 【植】气生的
7. 【美】【橄】前传（得分）的

n.

1. 天线[C]

n.

1. a structure that transmits or receives radio or television signals.
2. (aerials) a type of freestyle skiing in which the skier jumps from a ramp and carries out manoeuvres in the air.

adj.

1. existing or taking place in the air or atmosphere.
   ▸(of a bird) spending much of its time in flight.
2. involving the use of aircraft.
3. (of a part of a plant) growing above ground.