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单词 bocca
释义 bocca|ˈbokka, ˈbɒkə|
[It.; = ‘mouth’.]
1. A circular opening in a glass-furnace, through which the melting-pots are inserted and withdrawn.
1799G. Smith Laborat. I. 167 The mouth of a glass furnace is called the bocca.1832G. Porter Porcelain 159 The openings..serving for the introduction of the materials and for the removal of the melted glass, are called boccas.
2. (See quot.)
1881Pop. Sci. Monthly XIX. 51 The active bocca or mouth of Vesuvius.
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更新时间:2024/11/13 8:17:39