They also secrete antimicrobial sub - stances, including lysozyme and defensins.他们还分泌抗菌分的立场, 其中包括溶菌酶和防御.The pores of your body secrete sweat.身上的毛孔分泌汗液.The equilibrium grease secrete, softens the horniness, improvement sk...
护工将要全程照顾：将病人抱到座位上，替他系好安全带，到顶层后再将他抱下来。The carer will have to do all the work: placing the patient on the seat, strapping him in, taking him off again at the top.这个护理公司有些杂乱,但是护工的水平却相当好,且很用心.The supplying company is chaotic...
它的红外光谱与樟脑硝亚胺红外光谱相似.Its IR spectrum compared with that of comphor nitrimine.亚胺基杂环丙烷季铵盐的阳离子,一定是按协同反应的方式开环的.The aziridinium ions must all be opened by a concerted process.合适的有机亚胺反应剂具有多种组成和结构.The suitable organic imine react...
Nitrates are used as preservatives in food manufacture...硝酸盐在食品加工业中被用作防腐剂。The juice contains no artificial preservatives.这种果汁不含人工防腐剂。Meat spoils more quickly without preservatives.不加防腐剂,肉会坏得快.Free OfArtificial colors, pr...