释义
n. 分子
例句
1. We can see many molecules flying in the air when a sunbeam penetrated the dark room. 当一束光线穿进暗淡的房间时，我们可以看到空气中有许多小颗粒在飞舞。 2. Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water. 两个氢原子和一个氧原子结合而成一个水分子。