化学家能把一种药物的各种成分分解出来.A chemist can separate a medicine into its components.化学家用电解法把水还原为氢.The chemist reduced water by electrolysis.了解这些稀有分子能帮助化学家找到可实现的目标。Understanding these rare molecules will help chemists to find out wh...
The strawberries are kept in cold storage to prevent them spoiling during transportation.草莓在运输过程中要冷藏，以防止变质。…our national transportation policy.我们国家的交通运输政策Pipelining is one of the main transportation ways for modern petro...