of; structural particle: used before a noun, linking it to preceding possessive or descriptive attributive[cedict]
really and truly[cedict]
aim; clear[cedict]
碱金属
jiǎn jīn shǔㄐㄧㄢˇ ㄐㄧㄣ ㄕㄨˇ
alkali metal (the first column of the periodic table, with valency 1), namely: lithium Li 鋰|锂, sodium Na 鈉|钠, potassium K 鉀|钾, rubidium Ru 銣|铷, cesium Cs 銫|铯, francium Fr 鈁|钫[cedict]