本期内容：

A British Airways whistleblower has revealed an industry-wide practice that deliberately adds weight to flights, increasing greenhouse gas emissions.
"Fuel tankering" sees planes filled with extra fuel, usually to avoid paying higher prices for refuelling at their destination airports.
It could mean extra annual emissions equivalent to that of a large town. BA said it was common to carry extra fuel for "operational, safety and price reasons”.

whistleblower n. 揭发者，告发者
• 一般常写作whistle-blower
reveal vt. 揭露，揭示
industry-wide: 全行业内的
• nation-wide: 全国范围的
• world-wide: 世界范围的
deliberately adv. 故意地（intentionally）
emission n. 排放
see vt. 确保；保证（make sure）
• see that all the door are locked: 确保所有的门都锁了
fuel n. 燃料
refuel vt. 给……续燃料
destination n. 目的地
equivalent adj. 相当于，等同于

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