紫胶恰巧还是一种有效的绝缘物.Shellac also happened to be an effective electrical insulator.把紫胶溶解在乙醇里形成的一种稀薄的清漆;通常作为面漆涂在木料上.A resinous secretion of the lac insect deposited on trees and used in making shellac.介绍了天然可食紫胶色素的组成 、 特性及提取技术等方...
He used his sleeve to wipe the condensation off the glass.他用袖子擦掉玻璃上凝结的水珠。I trust Shaun has another genius scheme up his sleeve?我竟然相信肖恩还会有高明过人的对策?Will you please mend the sleeve of my blouse?请你把我衬衣的袖子补一下好吗?A little boy ca...
When food is swallowed, it passed through the pharynx and in the esophagus.食物被咽下, 经过咽进入食道.The accumulation of unswallowed saliva in the pharynx causes the sensation of choking.不能咽下的唾液积聚在咽部引起窒息感.Every turn to weather now ...
We must thwart his malevolent schemes.我们决不能让他的恶毒阴谋得逞.Her stare was malevolent, her mouth a thin line.她目光狠毒,唇紧抿。The cold north wind pointed with barbed shafts , icy malevolent, greedy, blighting, paralyzing.寒冷的北风带着有刺的矛尖吹来...