N-COUNT A jump jet is a jet aircraft that can take off and land vertically. 垂直起降喷气机
No one likes jet lag. We get off a flight feeling wrinkled and exhausted and then head into a day full of meetings or jump full swing into a vacation.
没有人喜欢倒时差的感觉，我们不得不在刚下飞机的慵懒中一头扎进一整天的会议中，或者在疲倦中跳入一个如火如荼的假期。
Harrier jump-jet hovers above an aircraft carrier deck. Its pilot relies on automated stability systems in order to control the aircraft. (Image is taken from U. S. Navy's Web site.)
一架鹰式喷射机在航空母舰上方盘旋。它的领航员根据自动化稳定系统控制飞机。(图片来自美国海军网站)。
When particles in the jet strike a photon of visible or infrared light, they cause the photon to jump up in energy and become a gamma ray.
当喷流中的粒子撞击到可见光或者红外波长上的光子，将导致光子能量跃迁，形成伽玛射线。
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