trace element痕量元素學術名詞微量元素：植物學、生態學、地理學、海洋科學、海洋地質學、生命科學痕量元素：化學、化學術語、高中化學、礦物學、化學工程追蹤元素：電子工程英文釋義an element that occurs at very small quantities in the body but is nonetheless important for many biological processes