Jet lag is caused because the body clock does not readjust immediately to the time change.

时差是因为生物钟没有立即适应时间的改变而引起的。

《柯林斯英汉双解大词典》

youdao

youdao

I'm not jet rated and hadn't previously flown any airplane above 18, 000 feet.

FORBES: Magazine Article

Good take on Green hypocrites by Debra Saunders, even if the object of her bon mot is spelled Learjet, not Lear Jet.

FORBES: Learjet Liberals

Buying a multi-million dollar business jet is not an impulse purchase but Steve Varsano, founder of the Jet Business, reckons his new showroom might catch some passing trade.

FORBES: Inside London's New Ritzy Private Jet Showroom