Graveness
n. 重大, 严肃
🗣️ 情景例句
Five five five...one seven two oh. Hello? 555-1720
喂 喂?
Shallow streams make most din.
修养不深，高谈阔论。
Fortunately, a pilot saw the signal and sent a message by radio to the nearest town.
幸运得很，一位飞行员看到这个信号，用无线电给最近的城镇发了报。