heart

The athlete's heart beats much slower than average because he is so fit.

(Chinese) 由于身体素质极好，这位运动员的心率比平均水平慢得多。

A healthy lifestyle reduces the risk of developing heart disease later in life.

(Chinese) 健康的生活方式可以降低以后患心脏病的风险。

She put her whole heart into writing the poem for her best friend.

(Chinese) 她全心全意地为最好的朋友写了这首诗。

It broke his heart to see the stray dog shivering in the cold rain.

(Chinese) 看到流浪狗在冷雨中发抖，他心都碎了。

The old castle is located right in the heart of the historic city.

(Chinese) 那座古堡就位于这座历史名城的中心地带。

We need to get to the heart of the matter to solve this problem correctly.

(Chinese) 我们需要深入问题的核心，才能正确解决这个问题。