学个词Learn a Word 第1672-free-of-charge

  今天我们要学的词是 free of charge。Free of charge 免费。The course is offered to students free of charge. 学生可以免费上这门课。Google's VoIP phone service will remain free of charge within the U.S. and Canada in 2013.  2013年用户在美国和加拿大境内可以继续免费使用谷歌的网上电话服务。Gun-rights advocates in Utah trained 200 teachers in handling concealed¹ weapons free of charge. 尤他州的枪支权利捍卫者为200名老师免费提供了携带和使用隐匿武器的培训。好的，今天我们学习的词是 free of charge, free of charge, free of charge....

1 concealed   

a.隐藏的，隐蔽的

参考例句：

• The paintings were concealed beneath a thick layer of plaster. 那些画被隐藏在厚厚的灰泥层下面。
• I think he had a gun concealed about his person. 我认为他当时身上藏有一支枪。