noun
protection
/prә'tekʃәn/
protection 是什么意思
保护，防卫，贸易保护制度
The activity of protecting someone or something the condition of being protected the imposition of duties or quotas on imports in order to protect domestic industry against foreign competition payment extorted by gangsters on threat of violence.
词性
noun
难度
进阶
页面用途
检索复习