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单词 rubber gum
释义

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rubber gum
rubber gum n. the sap or latex of rubber trees.
ΚΠ
1854 Ann. Sci. Discov. 338 We are indebted to the East Indies and Carthagena, in New Grenada, for a portion of the india rubber gum we employ in manufacture.]
1859 G. Thompson Palm Land (ed. 2) vi. 113 In different countries the rubber gum is obtained from a variety of trees.
1910 Chambers's Jrnl. Mar. 153/2 In these forests grow the trees which yield the finest quality of rubber-gum.
1997 P. Ball Made to Meas. 191 Goodyear was using sulfur simply as a drying agent, which he hoped would remove the liquid component of the rubber gum.
extracted from rubbern.1
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更新时间:2024/12/24 11:04:46