| 单词 | bed-screw |
| 释义 | > as lemmasbed-screw bed-screw n. a screw used for holding together the posts and beams of a wooden bedstead; also, a powerful machine for lifting heavy bodies, often used in launching vessels. ΘΚΠ society > inhabiting and dwelling > inhabited place > a building > furniture and fittings > bed > parts of bed > [noun] > other parts bed-board1530 bedstaff1576 underbed1648 ruelle1751 bed-screw1758 watch-pocket1831 knob1848 box spring1851 watch-case1891 1758 Philos. Trans. 1757 (Royal Soc.) 50 289 There were set up, under the wales..of the ship..nine pair of bed-screws. 1832 C. Babbage Econ. Machinery & Manuf. xvi. 116 Bed-Screws, 6 inches long. < as lemmas |
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