きょくちゅうかんけんうん 極中間圏雲 LinksSentence search for 極中間圏雲Sentence search for きょくちゅうかんけんうんKanji details for 極, 中, 間, 圏 and 雲Edit in JMdict Noun1. polar mesospheric clouds Discussions Log in to talk about this word.