英[\'fɔ:set]
美[\'fɔset]
Steeply tilted foreset beds are formed only under very restricted condition.
陡斜的前积层只有在非常严格的条件下才能形成.
辞典例句
Topset, foreset, and bottomset beds normally developed.
顶积 、 前积和底积层均正常发育.
辞典例句