首頁›Browse›C›chemical elementchemical element編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看chemical elementchemical element — 名詞名詞1. a pure substance that cannot be broken down into simpler substances by chemical 1.名詞釋義化學元素a pure substance that cannot be broken down into simpler substances by chemical means例句Oxygen is a chemical element that we need to breathe.