sounding balloons
Done by moving the hand (and arm) from below. / Sly, dishonest, corrupt, cheating. / Insincere; sarcastic. / Secret; surreptitious. / Understaffed.
comparative form of bubbly: more bubbly
plural of sounding balloon
(mineralogy) A soft bismuth sulfide mineral, an important ore for bismuth.
研究チームは夜明けに上層大気のデータを収集するため、いくつかの観測用気球を打ち上げた。
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DiQt
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