Spectroanalysis
光谱分析
🗣️ 情景例句
Thank you, Grandpa.
谢谢你， 爷爷。
That's track 1 at 9:45.
1轨道，9点45分开。
He noticed at once that discipline was slack: the Danes had the self-confidence of conquerors, and their security precautions were casual.
他马上发现丹麦军纪律松弛，他们以征服者自居，安全措施马马虎虎。