1、 She wears earmuffs to keep her ears warm.
她戴上耳罩来保暖耳朵。(可数名词,常以复数形式earmuffs出现,中考常考名词复数用法)
来源:【中考难度例句】蜂词侠编辑整理了
2、 The optimum design of the controller of compound active noise cancellation earmuff is discussed.
探讨了复合式有源消声耳罩的控制器的优化设计方法。
来源:【高考难度例句】蜂词侠编辑整理了