单词：play the leading role
play the leading role的用法和样例：
例句
- Platelets have a major role in hemostasis.血小板在止血中起主要作用。
- L. Dlantarum plays the dominant role in this fermentation process.植物乳杆菌在此发酵过程中起主要作用。
- Our monitor plays the leading role in our class.我们的班长在班级里起带头作用。
词汇搭配
- play the leading role起主要作用
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