retains的翻译，读音
英/riˈteinz/
释义：
v. 保持( retain的第三人称单数 ); 拦住; 保存; 止住
v hold back within
v allow to remain in a place or position or maintain a property or feature
v secure and keep for possible future use or application
v keep in one's mind
v hold back within
v allow to remain in a place or position or maintain a property or feature
v secure and keep for possible future use or application
v keep in one's mind