1. You can think of these molecules as little containers of energy. 你能想象这些分子就像是小的能量罐一样。
2. A particle is an ensemble of many molecules contained in a small volume. 一个质点是包含一个小体积中的许多分子的集合体。
3. Recombinant technology applied to the bacterium can produce altered hemoglobin molecules that do not break down into half molecules. 应用于细菌的重组技术,能够产生不分解成半分子的可变化的血红蛋白分子。