systematic studyˌsistəˈmætikˈstʌdi短语⁷⁹³⁴⁷ 基本例句 系统研究 The intellectual and practical activity encompassing the systematic study of the structure and behavior. of the physical and nature world through observation and experiment. 一种智慧性的实践活动,这种活动围绕着以实验和观察为基础的,对物理和自然世界组成和运动的研究。 putclub