boulder clay

常见例句

Cement curtain grouting in boulder clay
泥砾层中的水泥帷幕灌浆设计
REASSESSMENT ON THE GENESES OF "GLACIAL CIRQUE, TROUGH AND BOULDER CLAY" IN THE LUSHAN REGION 姚檀栋,
庐山地区“冰斗”、“U谷”及“泥砾”成因之辨析
He fashioned the clay into a jar.
他用粘土做成一个陶土罐子。
A massive boulder blocked the entrance of the cave.
一块巨大的圆石堵住了山洞的入口。
The math exam was a clay pigeon.
数学考试非常容易。
He was unable to budge the boulder.
他搬不动那块大圆石。