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semi 音标拼音: [s'ɛmi] [s'ɛmɑɪ] 半 半 semi半 semi半 semi n 1: one of the two competitions in the next to the last round of an elimination tournament [ synonym: { semifinal}, { semi}] 2: a truck consisting of a tractor and trailer together [ synonym: { trailer truck}, { tractor trailer}, { trucking rig}, { rig}, { articulated lorry}, { semi}] 3: a trailer having wheels only in the rear; the front is supported by the towing vehicle [ synonym: { semitrailer}, { semi}] Semi- \ Sem" i-\ [ L. semi; akin to Gr. ???, Skr. s[= a] mi-, AS. s[= a] m-, and prob. to E. same, from the division into two parts of the same size. Cf. { Hemi-}, { Sandelend}.] A prefix signifying half, and sometimes partly or imperfectly; as, semiannual, half yearly; semitransparent, imperfectly transparent. [ 1913 Webster] Note: The prefix semi is joined to another word either with the hyphen or without it. In this book the hyphen is omitted except before a capital letter; as, semiacid, semiaquatic, semi- Arian, semiaxis, semicalcareous. [ 1913 Webster] |
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