molecular transport

例句：

1. 1. Molecular transport is a crucialfactor in the process of chemical reactions.
   分子运输是化学反应过程中一个至关重要的因素。
2. 2. The studyof molecular transport has led to many breakthroughs in drug delivery systems.
   分子运输的研究已经导致了药物输送系统的许多突破。
3. 3. Inmolecular transport, the speed of particles dependson their size and shape.
   在分子运输中，粒子的速度取决于它们的大小和形状。