换: 动词1.(给人东西同时从他那里取得别的东西) exchange; barter; trade 短语和例子用大米换布 exchange [barter] rice for cloth; 用鲜血换来的教训 a lesson paid for in blood; 那男孩用他的刀子换了一个板球棒。 the boy traded his knife for a cricket bat
Example Sentences:
1.
The aim of this paper is to given an explicit description of the derivations and automor phisms of a matrix algebra over a commutative ring with identity 摘要决定了含幺可换环上一类矩阵代数的所有导子和所有自同构。
