epinephrin

例句：

1. 1.He was so excited that he could hardly wait to get on the plane.
   他太兴奋了，等不及要上飞机。
2. 2. The doctor prescribed him some epinephrine for his allergies.
   医生给他开了一些肾上腺素来治疗他的过敏症。
3. 3. During a high-altitude flight, epinephrine can help your body cope with the stress of being in low gravity.
   在高空飞行时，肾上腺素可以帮助你的身体应对低重力带来的压力。