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lac 英læk美lækAHDlăk 高COCA⁵¹³⁸³BNC⁴⁷⁷⁹²
基本英英词源搭配派生词例句
n.虫漆²⁸;虫胶⁷²
Noun:
resinlike substance secreted by certain lac insects; used in e.g. varnishes and sealing wax来自印度语lakh,胭脂虫，红色染料，后用于指红色的树胶状物质。lac虫漆crude lac粗紫胶garnet lac石榴紫胶lac dye紫胶染料lac lake虫漆染料button lac钮状虫胶lac wax紫胶蜡lac acid紫胶酸lac varnish虫胶的酒精溶液…lac resin紫胶树脂,虫胶脂…brood lac种胶lac encrusted twig紫梗lac insect蜡虫,紫胶虫…bleached lac漂白紫胶asphalt lac沥青漆
malacPolac紫胶树脂Pshellackingn.鞭打彻底击败殴打Pshellacn.虫胶vt.涂上虫胶以虫胶处理殴打Pshellackn.虫胶紫胶虫胶清漆vt.以虫胶清漆涂以虫胶处理殴打彻底打垮
Coatings is prepared with propane diamine modified shell- lac as main raw material. Results of salt- spray test show that anticorrosion performance of these coatings has been improved a lot.
以丙二胺改性天然虫胶为主要原料的涂料用于铜表面，通过盐雾实验表明：其防腐蚀性能得到很大的提高。 chemyq |