词汇搭配
短语
C troublefree无故障的
troublefree life无故障使用期
troublefree operation无障碍操作
权威例句
What Active Patients WantBest Strategies For Trouble Free ugg UnderstandingTrouble-freeTrouble-free microbiologic serum and red cell folate assays.Trouble-free flush valvePinning of the slipped upper femoral epiphysis--a trouble-free procedure?Therapy: Targeted but not trouble-free: efalizumab and PML.10 Tips for Trouble-Free TraileringHickman catheters: your guide to troublefree useTVT: Troublefree vaginal tape?