例句與用法

1. They all work on the same principle : washing clothes in soapless warm water does have some cleansing effect , particularly for nongreasy garments mainly soiled by dust , dirt and sweat
   它們的作用方式全都相同：可在不含肥皂的溫水中達到部份清潔效果，尤其對非油污、主要因灰塵、泥土與汗水而弄臟的衣物特別有效。