To scrub, "scrub," as a verb means to clean, usually by moving your hand back and forth over what you are trying to clean. “scrub”作动词，意思是清洗，通常需要手在要清洗的东西上来回摩擦。

　　It means to clean with using some muscle, we would say - using some energy - using some force to clean it. 也就是说需要用力清洗，需要能量和力气。

　　There's also a noun, scrubs, with an "s" at the end, "scrubs," that means the clothing - the special clothing that doctors wear, especially doctors that are during surgery. “scrub”作名词，在结尾加一个s，变成外科手术服（scrubs），是指一种衣服，医生穿的特殊衣服，通常是做外科手术时穿的。

　　They wear scrubs, that's what we call those pieces of special clothing. Often, it's blue or white clothing. 我们把他们穿的特殊的衣服叫作外科手术服。外科手术服通常是蓝色或者白色的。

　　Lucy puts the dishes on the drying rack. 露西把餐具放在干燥架上。

　　The drying, "drying," rack, "rack," is a place where you can put the dishes so that they dry, and a drying rack is usually made of plastic or metal, 干燥（drying）架（rack）是放盘子的地方，盘子放在上边可以晾干。干燥架通常是塑料或者金属做的。

　　and it has places where you can put individual plates and usually a separate place for silverware, and you use it to dry the plates and the silverware. 干燥架通常有放单个盘子的地方，也可以把银质餐具分开放，可以用来晾干盘子和银质餐具。