An abrasive material is unsuitable for cleaning baths.有磨蚀作用的材料不适合擦浴缸.She eked out her small income by cleaning other people's houses.她靠打扫别人的屋子来贴补她微薄的收入.She began cleaning the wound with a piece of cloth.她开始用一块布清洗伤口。...
Interferon, inducers have only been used to a limited extent in man.干扰素 、 诱生剂只是在有限程度上对人用过.In short, interferon is a natural substance on an unnatural mission.简言之, 干扰素是一种负有特殊使命的天然产生的物质.Interferon is probably the most sign...