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单词 meta
释义 meta
meta1
 /mee"teuh/,  n.  ,  pl.   metae /-tee/.
 (in ancient Rome) a column or post, or a group of columns or posts, placed at each end of a racetrack to mark the turning places.
 [1570-80; < L meta cone, turning post]
meta2
 /met"euh/, adj. Chem.
 pertaining to or occupying two positions (1, 3) in the benzene ring that are separated by one carbon atom. Cf. ortho, para3.See diag. under ortho.
 [1875-80; independent use of META-]
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更新时间:2024/9/25 9:36:12