The planes were certified airworthy.
机被证明行。
The birds that aren't quite airworthy have to plunk down in the gentle surf where tiger sharks are waiting for them.
那些不太耐的鸟不得不落有鲨等候的轻缓海浪里。
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And if it's airworthy, the aircraft is safe.
如果飞机是适航的，那么它就是安全的。
Last year the U.S. Federal Aviation Administration certified the Terrafugia Transition as airworthy.
去，美国联邦航空理局为特拉弗吉亚汽车适航证。
An airplane undergoes a number of key checks before a flight, so a technician needs to provide airworthy approval to the pilots before they are cleared to commence operations.
飞机在飞行前要进行多项关键检查，因此技术人员需要在飞行员获准开始运营之前向他们提供适航许可。
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划词翻译
详细解释
机被证明
行。
有
鲨等候的轻缓海浪里。
CNN 10 学生英语
1
，美国联邦航空
理局为特拉弗吉亚汽车
适航证。
