protectionist

例句：

1. 1.He is a protectionist who believes in the importance of national security.
   他是一个保护主义者，他认为国家安全非常重要。
2. 2. The protectionist government has been criticized for its lack of openness.
   这个保护主义的政府因其缺乏开放性而受到批评。
3. 3. The protectionist measures have led to a trade war between the two countries.
   这些保护主义措施导致了两国之间的贸易战。