心跳加速
races───n.竞赛（race的复数形式）；赛马会；v.和…竞赛；参加竞赛；急行（race的第三人称单数形式）
congressional races───国会竞选
run races───跑步比赛
distance races───长跑；远距离竞速项目
silly races───愚蠢的种族
won races───赢得比赛
senate races───参议院选举
governor races───州长竞选
horse races───赛马
Your heart RACES and you begin to sweat.───你的心跳加速，并开始出汗。
Your heart RACES when you're falling in love.───当你恋爱时，你的心会怦怦跳。
When you talk to me my heart RACES.───当你和我谈话是我的心会跳得很快。
Young relationships start out with an adrenaline rush. Your heart races, you get giddy, you're alert, awake and excited.───当一段新的恋情开始时，你总会感觉到肾上腺素的飙升，此时你心跳加速，头晕目眩，你变得清醒，机敏和兴奋。
You feel all the excitement, the surge of adrenalin, dreams of wealth come flooding into you and your heart races with excitement.───你感到激动万分，肾上腺素大量分泌，你梦想财富向你滚滚而来，你的心脏兴奋地跳跃。
Blood pressure surges and the heart races, delivering oxygen and energy to the muscles.───血压激增，心跳加速，给肌肉输送氧气和能量。
Or: Water flows, the heart races not, Clouds float, the mind ceases a lot.───水流心不竞，云在意俱迟。
Your heart races every time he calls and your palms sweat whenever he's near.───每当听到他呼唤我的名字就心跳加速，不管什么时候只要他在身边你就手心冒汗。
My heart races with excitement, pure joy washes over me.