两层细胞 ( 两胚层 ),中间是凝胶状的中胶层.Two cell layers ( diploblastic ) separated by a gelatinous mesoglea.天边是耀眼的橙红色曙光, 下面点缀着一条凝胶状的淡绿色带子.Dawn came glassy orange , stained from below by a gelatinous band of pale green....
那块胶合板正符合要求.That piece of plywood will just fit the bill.胶合形式损坏的发展情况示于图1.11中.The development of scuffing - type damage is illustrated in Fig . 1.11.这大概是因为胶合透镜会因温度变化而变形.Probably because the cemented lenses are distorted by...
Let's get down to basics and stop horsing around.别胡闹了，我们还是收收心想想要紧事吧。Get down to the post office pronto!马上去邮局！I'm going to get down to studying English this term.这学期我要认真学英语了....