orthocenter
/ˈɔ:θəˌsentə/ /'ɔrθə,sɛntɚ/
n. 
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leadwork, leadworks, leadwort, leady, leaf, leaf blade, leaf insect, leaf mold, leaf mustard, leaf roller,
相似单词
ortho-anthracite, orthoantimonite, orthoarsenate, orthoaxis, Orthocartograph, orthocenter, orthocentre, orthocephalic, orthocephalous, orthocephaly,