基本解释牵牛子英汉例句双语例句AIM:To study the active constituents with the purgative action and to establish quality standard in Semen pharbitidis.目的:研究牵牛子泻下的有效成分,为建立其质量标准奠定基础。Semen Pharbitidis更多例句词组短语短语Pharbitis Seed Semen Pharbitidis 牵牛子粉末;前胡粉末Pharbitidis Semen 牵牛子Semen Pharbitidis更多词组专业释义经济学牵牛子