malate shuttle system

例句：

1. 1. The new drug has been shown to be effective in treating cancer patients.
   新药已被证明对治疗癌症患者有效。
2. 2.The researchers used a malate shuttle system to study the effects of different chemicals on the environment.
   研究人员使用一种马来酸 shuttle 系统研究不同化学物质对环境的影响。
3. 3.The malate shuttle system is a crucial component in the production of biofuels.
   马来酸 shuttle 系统是生物燃料生产中的关键组成部分。