hot air

常見例句

It uses hot air.
它使用熱空氣。
“They aren’t selling engines, they are selling hot air out the back of an engine,” says an investment analyst.
一位投資分析家說，“它們不是在售賣引擎，它們賣的是引擎后面排出的熱空氣?！?/li>
But unlike their comrades in that bloody urban battle, the marines now in Afghanistan have, for the most part, thrust their swords into hot air.
但與那場慘烈巷戰(zhàn)的戰(zhàn)友不同，阿富汗的陸戰(zhàn)隊這一次，絕大部分時候，把炎熱的空氣當成了他們的打擊目標。

State-owned media quote the president as saying he is dissatisfied with this month's global-warming summit in Copenhagen, calling it "a lot of hot air."
I'm hot, compared to the air of the room, or cold if I'm somewhere that's warm.
我相對于室內(nèi)的空氣是熱的，或是冷的如果我呆在一個溫暖的地方。
麻省理工公開課 - 熱力學與動力學課程節(jié)選
But if you touch the valve going into your tire which basically measures the temperature of the air going into your tire, that is getting hot, right.
以至于渾身發(fā)熱,如果你摸氣筒的閥門,相當于近似測量了進入輪胎的氣體的溫度，它會很熱，對吧。
麻省理工公開課 - 熱力學與動力學課程節(jié)選

But in 2009, some of the big ones rose like a hot air balloon.
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These kid-friendly topics include taking a hot air balloon ride, baking cupcakes, or making a pizza.
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Ultimately, I think most people who rage loudly against MTs are mostly hot air.
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