undertone

n.

低调；低声地；淡色；潜在的感情

复数：undertones

1. There were undertones of relief as the visitors left.
   客人走后大家都暗暗松了口气。
2. He simply looked at the sea dully and swore in an undertone.
   他只是呆呆地注视着海面低声诅咒着。
3. Warm skin types have a yellow undertone in their skin.
   暖色的肤色有黄色的基调。
4. The discharge printing process using reactive dyes to dye the ground shade and to discharge the undertone was discussed.
   探讨了棉织物以活性染料染底色,仍以活性染料印花入色的拔染印花工艺。
5. There is an undertone of regret in what he said.
   他的话中带有悔意。
6. There was an undertone of bitterness in his words.
   他话中有刺。

core undertone with rotation.
Bullish undertone [crude palm oil: production levels and prices]
An attempt to bring "undertone narratives"under the traditional narrative approach
Instructive undertone of the Innere Mission of the German Church toward the Direction of the Korean Church`s Social Reformation
Process for the preparation of quiacridone pigments
Core Undertones with Rotation
Controlled vapor phase oxidation of titanium tetrachloride to manufacture titanium dioxide
Origin of Subharmonics in the Peripheral Auditory System
Simple core undertones Geophys
In Search of Progressivism