Frogs eat pests which destroy crops and carry diseases.青蛙吃破坏庄稼、传播疾病的害虫。He doesn't spray against pests or diseases.他并不喷药防虫祛病。Rodents carry diseases and are generally regarded as pests.啮齿目动物传播疾病,常被当作害虫对待....
cannot help but的近义词有:cannot help, cannot but, cannot help but。下面这些词组均表示"不得不,不禁"的含义:cannot help与动名词连用,表示"不得不"是口语用法,词组中的help相当于avoid或prevent,是一种比较好的用法。cannot but:后跟不定式连用,是一种较正式的用法,主要用于美国英语。cannot help but:跟动词不定式连用,是cannot ...