改换用英语怎么说？

改换

例句

• He transposed the words in the sentence. 他改换了句中字的位置.
• Of course their conversation alters, and new themes are bruited. 当然他们的谈话也改换题目了, 新的话题也悄悄地谈开了.
• ...the diversion of a ship to Lebanon with $8m worth of aluminium on board. 前往黎巴嫩的装有价值800万美元铝的船只改换航道
• I'm bowdlerizing it — just slightly changing one or two words so listeners won't be upset. 我在对它作些改动——只是改换个别字眼，好让听众更容易接受。