coul

常见例句

双语例句

I'm sure you coul spend more time preparing for those.
我敢肯定你需要花很多的时间为那些测验准备。
She coul not deny the justice of Darcys description of her sister.
她不能否认，达西对她姐姐的描述是公正的。
With chemical oxidizing and subsequently paint ing of aluminum and its alloy, adhesion of aluminum substrate with coatings coul d be greatly improved, as well as corrosion resistance.
铝及铝合金化学氧化后涂漆，可大大提高基体与涂层的结合力，并增强铝材的抗蚀能力。