There has been consistent growth in GSM mobile subscribers.全球通手机用户持续增长。In the summer her mobile home heats up like an oven.夏天一到，她的活动住房就变得像烤炉一样热。...the leap forward in communication made possible by the advent of the mobi...
Each disaccharide is composed of two monosaccharides.每一种双糖都是由两个多糖组成.Disaccharide A SUGAR with molecules composed of two monosaccharide units.二糖:两个单糖单位由糖苷键连接起来形成的糖类.Cellulase An enzyme that hydrolyzes 1, 4 - glycosidic li...