词汇	nano-sized iron oxide
释义	nano-sized iron oxide 纳米氧化铁
随便看	know when you are well off Know where all the bodies are buried know where one is know where one is with someone know where one stands know where one stands with someone know where the shoe pinches know where the wind lies know where to stop know where you stand Know which buttons to push know which end is up know which side his bread is buttered on know which side one's bread is buttered know which side one's bread is buttered on know which side your bread is buttered know which side your bread is buttered on Know who I am know who's who knowwhy know-why know without a doubt know without asking know without consulting oracle knowyou