词组短语
keep mum保持沉默
mum's the word[口语]别多话!别声张(禁令)!保守秘密!
权威例句
New approaches for lubrication in steel cold rollingRoad closure schemes with a minimum of effort; three "Woonerven"in Papendrecht (Netherlands)Identification, expression, and characterization of the highly conserved D-xylose isomerase in animalsA new 3-(3,4-methylenedioxyphenyl)-propane-1,2-diol glycoside from the roots of Cinnamomum camphoraMicrowave filter with adaptive predistortionPersnickety editor, Founding Father, Mentor and Friend: The Legacy of Fred MumptonZeolites in SoilsNatural zeolites '93Rearranged abietane diterpenoids from the roots of Clerodendrum trichotomum and their cytotoxicities against human tumor cellsInfluence of rhamnolipids and Triton X-100 on adsorption of phenol by Penicillium simplicissimum
