| 释义 |
DEFINITIVE EXAMPLES 权威例句〔cyanamide〕A caustic acidic crystalline compound, NHCNH, prepared by treating calcium cyanamide with sulfuric acid.氨基氢:一种腐蚀性的酸性晶体化合物,NHCNH,可通过硫酸作用于氢氨化钙制取美国传统〔kraft〕A tough, usually brown paper made from wood pulp treated with a solution of sodium sulfate, used chiefly for bags and wrapping paper.牛皮纸:一种由经过硫酸钠溶液处理过的木浆制成的硬纸,通常为棕色,主要用来作袋子或包装纸美国传统 |