慢速英语:Words and Their Stories: From Couch Potato to Cabin Fever

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词汇讲解：

1. trademark n.（注册）商标
例句：The ad would not be disapproved for trademark issues.
这条广告不会因为商标的原因被拒绝。

2. invent vt.发明，创造
例句：Marx did not invent socialism or communism.
马克思没有发明社会主义或者共产主义。

3. relax vt. （使）轻松; （使）松弛
例句： I should relax and have some fun, right?
我会过得轻松而开心，对吧？

4. provide vt. 提供，供给
例句：Another is to provide subsidies.
另一种选择是提供补贴。

5. protection n.保护; 护照
例句：Being a new teacher, she has no job protection.
作为一个新老师，她没有就业保障。