词汇	50% effective dose
释义	50% effective dose 医半数有效量
随便看	Are you over sixteen are you over sixteen? Are you over sixteen? Are You Overstressed are you overstressed? Are You Overstressed? are you partial to seafood are you partial to seafood? Are you paying in cash or by cheque Are you paying in cash or by cheque? Are you paying in cash or by credit card Are you paying in cash or by credit card? Are you paying rent are you paying rent? Are you paying rent? Are you Peter Are you Peter? Are you Peter Smith Are you Peter Smith? Are you planning to attach a train to it Are you planning to attach a train to it? Are you planning to resign Are you planning to resign? are you playing hardball here are you playing hardball here?