| 单词 | room air |
| 释义 | > as lemmasroom air room air n. ΚΠ 1846 Jrnl. Franklin Inst. Nov. 316 An air-tight apartment or fire-room, into which room air is to be forced by means of a suitable blowing apparatus. 1957 Encycl. Brit. XI. 353/1 Louis Savot..developed for the Louvre a fireplace in which room air was drawn through passages under the hearth and behind the fire grate. 1997 Weatherwise (Nexis) 1 Oct. 52 As roomair is drawn into the fireplace, it rises. < as lemmas |
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