单词	roller tube
释义	roller tube noun : a culture tube (as for normal or malignant tissue cells) in which the material to be cultivated is immobilized on the side of the tube by a film of serum or other medium and which is rotated (as in a water bath) to insure adequate and uniform aeration Word History First Known Use 1933, in the meaning defined above
随便看	grithman grithmen griths gritless gritrock gritrocks grits gritstone gritstones gritted gritters grittier grittiest grittily grittiness grittinesses gritting grittle gritty grivation grivet grivets grivois grivoiserie grivoiseries

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