molecules 是 molecule 的複數moleculeKK [ˋmɑləˏkjul] /ˈmɑləˌkjul/名詞1分子化學A water molecule is made of two hydrogen atoms and one oxygen atom.一個水分子由兩個氫原子和一個氧原子組成。2微量、一絲罕用There isn't a molecule of truth in what he told the reporters.他對記者說的話沒有一絲真實性。