| 单词 | thirty |
| 释义 | thirty n. & adj. --n (pl. -ies) 1. the product of three and ten. 2. a symbol for this (30, xxx, XXX). 3. (in pl.) the numbers from 30. to 39, esp. the years of a century or of a person's life. --adj that amount to thirty. Phrases and idioms thirty-first, -second , etc. the ordinal numbers between thirtieth and fortieth. Thirty-nine Articles the points of doctrine assented to by those taking orders in the Church of England. thirty-one, -two , etc. the cardinal numbers between thirty and forty. thirty-second note esp. US Mus. = DEMISEMIQUAVER. thirty-two-mo a book with 32 leaves to the printing-sheet. Derivatives thirtieth adj. & n. thirtyfold adj. & adv. Etymology: OE thritig (as THREE, -TY(2)) |
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