The human race has one really effective weapon, and that is laughter.

人类拥有一强而有力的武器，叫作欢笑。




(点击右边三个点，可调整速度，电脑上可下载)

大家可以在后面跟帖，把这句打一遍加强记忆，或者根据录音打出内容，练习听力。

The human race has one really effective weapon, and that is laughter.