in the air與on the air
1. in the air 在空中;在流傳中;渺茫。如：
Birds fly in the air. 鳥(niǎo)在空中飛。
There was thunder in the air. 天上打著雷。
The plan is quite (up) in the air. 計(jì)劃還相當(dāng)渺茫。
Look， hold it uP in the air like this. 看著，像這樣把它舉在空中。
2. on the air 在廣播中。如：
The show is on the air. 演出正在轉(zhuǎn)播。
I heard the news on the air. 我在廣播中聽(tīng)到了這條消息。
What‘s on the air this evening? 今晚有什么廣播節(jié)目?
The show is on the air at seven o‘clock. 這次演出七點(diǎn)鐘播出。
1. in the air 在空中;在流傳中;渺茫。如：
Birds fly in the air. 鳥(niǎo)在空中飛。
There was thunder in the air. 天上打著雷。
The plan is quite (up) in the air. 計(jì)劃還相當(dāng)渺茫。
Look， hold it uP in the air like this. 看著，像這樣把它舉在空中。
2. on the air 在廣播中。如：
The show is on the air. 演出正在轉(zhuǎn)播。
I heard the news on the air. 我在廣播中聽(tīng)到了這條消息。
What‘s on the air this evening? 今晚有什么廣播節(jié)目?
The show is on the air at seven o‘clock. 這次演出七點(diǎn)鐘播出。