溶よう岩がん台だい地ちようがんだいちMeanings1nounlava plateauA flat, elevated landform created by successive lava flows. Used in geography and earth science.この地ち域いきには広こう大だいな溶よう岩がん台だい地ちが広ひろがっている。A vast lava plateau stretches across this region.
