lenticular是什么意思？

lenticular的音标：lenticular的英式发音音标为：[len'tɪkjʊlə]lenticular的美式发音音标为：[len'tɪkjələ]...

The channel is overlain by siltstone and lenticular beds of limestone.河道上面覆盖着粉砂岩和石灰岩透晶体.It is also wedge - shaped to lenticular.另外,它也呈楔 状 至透镜状.Several clouds are stacked up into one striking lenticular cloud.进而导致成群的云系堆积成...