The shellac issue was one of the hot topics of chemical research at the turn of the century.
虫胶问题是世纪交替之际化学研究一个热点课题。It went on to replace rubber, shellac and guttapercha as an insulator.
它开始取代橡胶、虫胶和杜仲胶，用作绝缘材料。Another innovation came when Bakelite was patented as a replacement for shellac in grinding wheels.
当胶木用作砂轮中虫胶的专利替代品时，另一项创新出现了。The experiment was carried out to coat tomato and cucumbers with konjac glucomannan (KGM), shellac and nisin.
以魔芋精粉、虫胶、乳球菌肽等作为涂膜保鲜原料，对番茄、黄瓜保鲜的适宜浓度及其最佳配比进行研究。Shellac is derived from the excretions of the Kerria lacca insect, most commonly found in the forests of Thailand.
虫胶来自紫胶虫的排泄物，最常见的在泰国的森林。Now, the new stairs look great, but are so shellacked, they've become a huge slipping hazard in the winter!
现在，新的台阶看起来好极了。只不过我们上了太多的虫胶，到了冬天变得其滑无比。Once that happens, and it almost always does, the insect simply becomes part of the shellac-making process.
一旦出现这种情况，而且几乎总是如此，昆虫仅仅作为虫胶制作过程的一部分。Grain arrows waved darkly in the wood under the coating of shellac, the brightness of elbow-grease.
谷物的箭在树林下挥舞着黑色的涂料虫胶，亮度重活。In 100 years, recorded music has gone from cylinders to shellac 78s to vinyl LPs to cassettes, CDs and now digital downloads.
在过去的一百年间，音乐的录制经历了圆筒式录音、78转虫胶唱片、密纹唱片、磁带到现在的CD和数字下载。