His bankruptcy indicated the collective falling of the traditional commercial stratum .
他的破产，宣告了传统商人阶层的集体殒落。
Evans says the stratum corneum is made up of helical fibers of keratin that are woven together in a three-dimensional pattern .
伊埃文斯说，角质层由角蛋白螺旋状纤维维以三维结构紧密交织构成。
To qualify this social stratum , chinese researchers speak of " little prosperity . "
中国研究者用“有点资本”来定义这个社会阶层。
Until there is a highly educated stratum in a nation 's population , there will not be an adequate pool from which to draw teachers of technical subjects .
