杰克嗅了一下空气。
I always take Jack outside at that time for some fresh air and exercise.
那时我经常带杰克去外面透气和锻炼。
"Make sure you've got the air tickets, Jack!" said Mrs Green.
“杰克，别忘了带好飞机票！”格林夫人说。
His father's compliment left Jack walking on air.
父亲的赞扬令杰克得意洋洋。
Jack has a good habit of having exercise in the open air.
杰克有进行户外运动的好习惯。
Jack: the Fulton Surface-to-Air Recovery System. I'm familiar with the theory.
福尔顿地对空回收系统，这理论我可够熟悉了。
Jack: the Fulton Surface-to-Air Recovery System. I'm familiar with the theory.
福尔顿地对空回收系统，这理论我可够熟悉了。
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