变细 thin
attenuate
fine
- 羊腿形的,一头宽一头窄的在形状上与羊腿相似的;由粗大的一端向另一点或较小的一端突然变细的,如衣袖或船帆
Resembling a leg of mutton in shape; tapering sharply from one large end to a point or smaller end, as a sleeve or sail. - 那支旗竿逐渐变细成尖头。
The flagpole tapered off to a point. - 从盆地边缘到中心,有勘探意义的储层依次有渐新统、中新统、上新统和第四系,岩性由粗变细。
From boundary to centre of the basin,the reservoir beds for exploring for gas are Oligocene,Miocene,Pliocene and Quaternary and the lithology changes from coarseness to fineness.
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