"They almost double their body weight before the flight," Klaassen said. "and all this fat will be burned during the flight, and they will arrive lean and exhausted in Africa."
“飞行前，它们的体重会增加一倍”克拉森说，“当到达非洲的时候，它们会变的瘦弱疲惫，因为所有的脂肪都在飞行途中被消耗掉了”。
We have to change our flight as we are double - booked.
由于我们重复预定，不得不改变航班。
Wang: By the way, have you double checked your flight time?
王：顺便问一下，你确认你的机票时间了吗？
Wang: By the way, have you double checked your flight time?
王：顺便问一下，你确认你的机票时间了吗？
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