元素: 1.(要素) element; elementary substance2.[数学] [化学] element 短语和例子水是含有氢元素和氧元素的化合物。 water is a compound containing the elements hydrogen and oxygen.; 元素表 list of elements; 元素分析 [分析化学] ultimate a
面积: [数学] area 短语和例子建筑面积 built-up area; 居住面积 dwelling area; floor space; 大面积丰收 bumper harvest over an extensive area; 茶叶种植面积 the acreage under tea trees
