| 单词 | lac resin |
| 释义 | > as lemmaslac resin lac resin n. ΚΠ 1825 Mechanics' Mag. 15 Jan. 269/1 It is composed of corundum, more or less finely powdered, cemented together by lac resin. 1949 Kew Bull. 4 553 The Resin section includes chapters on..Lac Resin and Shellac. 2015 B. W. Andaya & L. Y. Andaya Hist. Early Mod. S.E. Asia iv. 149 Around 90,000 or more insects were needed to produce a single pound..of lac resin. < as lemmas |
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