n.低调;低声地;淡色;潜在的感情;
例句:
There was an undertone of bitterness in his words.
他话中有刺.
The king went on to himself in an undertone.
国王随后又轻轻地自言自语.
I love this scent. It has a powdery undertone.
是一款清新、花果味香水.