pretect/defend/guard/preserve四者区别?
pretect/defend/guard/preserve四者区别?
请问 protect defend guard preserve的区别
defend,guard,preserve,keep的区别
[英语]词义分辨guard 和 defend 和 protect 的区别
求:preserve ,defend ,protect ,prevent的区别和各自用法.详
preserve&reserve 的区别
preserve reserve的区别
reserve stay maintain preserve 区别
如何区别protect和preserve
protect,prevent,preserve 的区别
英语近义单词辨析1.preserve,guard,protect2.disguise,protend3.assume,p
prevent,protect,guard,defend好像都是防御的意思,有什么不同么?