clinically studied multivitamin是什么意思

clinically studied multivitamin是什么意思 clinically-tested是什么意思 clinically quiescent什么意思 clinically silent什么意思 studied studied studied是什么意思 I have studied enough for this test .I'm confident of __(pass) the exam #[39] I ______English in America for 3 years and now I'm working in a foreign-state company.A.studied B. have studied C.have been studyingD.had studied 请帮忙翻译包括选项,并分析.答案A. I ____ English in American for 3 yearsand now I'm working in a foreign-state company.A.studied B.have studied C.have been studying D.had studied为什么,请解析, clinically tested in natural health 40+ years 朋从国外带的保健品上写着这些, kate studied english 对studied english most adults once studied should have studied she studied English intensively studied technologies是什么意思 studied 什么意思 studied的原形是什么?