他们开始工作，用砂纸把木制品打磨平滑。They were settling to their work, rubbing down the woodwork with sandpaper.他的皮肤光洁平滑。His skin is clear and smooth.这种纸张手感平滑.This paper is smooth to the touch....
Objective: The extractions on the carotenoid produced from Cordyceps militaries were studied.目的: 研究蛹虫草中类胡萝卜素的提取工艺.The extractions of glutenin and gliadin from vital wheat gluten were investigated.以谷朊粉为原料,提取了麦谷蛋白和麦醇溶蛋白.In...