单词	班他山
释义	班他山Banthat, Khao
随便看	concave-mirror optical resonator concaveness concave operator concave pan concave perforation rate concave-plane lens concave plasmolysis concave polygon concave polyhedral angle concave polyhedron concave preferences concave programming concave ring concaves concave saw concave section [of breakwater alignment] concave sequence concave side concave slide concave slope concave spherical mirror concave surface concave(thresher) concave tiles concave upward