n.肾上腺素(情绪激动时肾上腺分泌的一种化学物质，能加快心跳并产生更多能量)

The athlete's heart raced as adrenaline surged through their veins during the race.
运动员在比赛中肾上腺素激增，心跳加速。
She felt a surge of adrenaline when she saw the lion approaching.
当她看到狮子靠近时，她感到一阵肾上腺素激增。
The dentist administered local anesthetic, but I still felt a tinge of adrenaline before the procedure.
牙医给我打了局部麻醉，但手术前我还是能感觉到一丝肾上腺素。
After hearing the explosion, everyone in the room panicked, and adrenaline kicked in to give them the energy to escape.
听到爆炸声后，房间里的人都陷入了恐慌，肾上腺素开始发挥作用，让他们有了逃离的力量。
The thrill-seeker climbed the steep cliff, his body flooded with adrenaline as he reached the summit.
冒险者攀爬陡峭的悬崖，当他到达顶峰时，他的身体充满了肾上腺素。
The doctor assured me that the injection was just a placebo, but I couldn't shake off the feeling of adrenaline coursing through my veins.
医生保证注射的是安慰剂，但我还是无法摆脱那种肾上腺素在血管中流动的感觉。
After a near-miss accident, the driver's adrenaline levels were sky-high as they frantically tried to regain control of the car.
在一场差点发生的事故后，驾驶员的肾上腺素飙升，他们疯狂地试图控制住汽车。
In an emergency situation, adrenaline often triggers the 'fight or flight' response, preparing the body for action.
在紧急情况下，肾上腺素常常引发“战斗或逃跑”反应，让身体做好行动准备。
She performed a breathtaking acrobatic routine, her muscles powered by the rush of adrenaline.
她表演了一段令人惊叹的杂技动作，肌肉由肾上腺素的激流驱动。
The orchestra conductor's passionate指挥使整个乐团演奏出充满力量的音乐，仿佛每个人的体内都燃烧着肾上腺素。
交响乐团指挥者的激情指挥使得整个乐团演奏出充满活力的音乐，似乎每个人体内都有肾上腺素在燃烧。