| 单词 | thirty |
| 释义 | thirty /therr"tee/, n. , pl. thirties, adj. n. 1. a cardinal number, 10 times 3. 2. a symbol for this number, as 30 or XXX. 3. a set of this many persons or things. 4. Print. , Journalism. 30-dash. 5. thirties, the numbers, years, degrees, or the like, from 30 through 39, as in referring to numbered streets, indicating the years of a lifetime or of a century, or referring to degrees of temperature: He works in the East Thirties. She must be in her thirties. The temperature was in the thirties yesterday. adj. 6. amounting to 30 in number. [bef. 900; ME thritty, OE thritig, equiv. to thri THREE + -tig -TY1; c. D dertig, G dreissig, ON thrjatiu] |
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