| 释义 | centering I. noun
 (-s)
 Etymology: 1,2center + -ing
 : a usually timber falsework used to support the parts of a masonry arch during construction
 II. adjective
 Etymology: from present participle of center (II)
 of a diphthong or triphthong  : concluded with the tongue in the position for the central vowel \ə\ (as \ˈiə\, one pronunciation of ear)
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