Spectroscopists
(spectroscopist 的复数) n. 光谱学家
🗣️ 情景例句
at the Museum of Natural History.
在自然历史博物馆。
He who has lost shame is lost to all virtue.
没有廉耻心，没有好德行。
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。