单词	tropocollagen
释义	tropocollagen noun tro·​po·​col·​la·​gen ˌträ-pə-ˈkä-lə-jən  ˌtrō- : a subunit of collagen fibrils consisting of three polypeptide strands arranged in a helix Word History Etymology tropo- + collagen First Known Use 1954, in the meaning defined above Medical Definition tropocollagen noun tro·​po·​col·​la·​gen ˌträp-ə-ˈkäl-ə-jən  ˌtrōp-  : a subunit of collagen fibrils consisting of three polypeptide strands arranged in a helix
随便看	etchings ETD etens Eteocretan eternal eternal flame eternal generation eternal object eternal recurrence eternalise louisianians Louisville louisvilles Louisvillian louk louma loumas loun lound lounder lounge lounge (around or about) lounge around or about lounge car lounge chair

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