我们说我们很诚心做某件事情，用英文怎么说呢？Let's Go! 让我们跟着J博士一起学习！

本集核心英语单词及例句：

1.cordial (adj.)热诚的
The party proceeded in a warm and cordial atmosphere.
晚会在热烈诚挚的气氛中进行。

2.heart (n.) 心脏
The heart has four chambers.
心脏有四个心室。

3.cardiac (adj.)心脏（病）的
The guy then went into cardiac arrest.
那家伙然后心脏停止跳动。

4.arrest (n.)心跳停止
Cardiac arrest was the main symptom.
心搏停止是主要个症状。

5.exercise (v.)运动
Please do more exercise from now on.
从今后请多做活动吧。

6.invitation (n.)招待，邀请
Thank you for your kind invitation.
谢谢你的盛情邀请。

7.kind (adj.)友善，礼貌
The nurse was not only competent but also kind.
那个护士不但能干而且亲切。

8.generous (adj.)慷慨的，大方的
Most musicians are stingy and most linguists are generous.
音乐家小气的多，语言学家大方的多.