| 单词 | agate hole |
| 释义 | > as lemmasagate hole agate hole n. now rare a hole in a piece of agate forming part of a mechanism, esp. one in which a spindle or other part turns. ΚΠ 1821 H. E. Lloyd tr. O. von Kotzebue Voy. Discov. South Sea & Beering's Straits I. 61 Making the axis of the needle turn on friction-wheels..has been rejected, as useless,..and exchanged for very fine axes running in agate holes. 1863 J. Tyndall Heat i. 30 The wires should be drawn through agate holes. 1942 P. Grodzinski Diamond & Gem Stone Industr. Production v. 109 The upper end is conical and fits into the agate hole. < as lemmas |
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