burred

v.

（多）刺果，（刺果般的）粘附物，牙钻( bur的过去式和过去分词 )；

1. She speaks with a soft rural burr.
   她说话带著乡下人的轻柔的r音。
2. A burr should not form too easily, or be too large.
   卷边毛刺不应很容易形成，也不应太大。
3. The winter's forst must rend the burr of the nut before the fruit is seen.
   只有冬天的寒霜撕碎了坚果的芒刺，才能看到果实。

1. The phones in Europe don't seem to ring; they burr.
   在欧洲听筒似乎发不出清脆响亮的声音，它们发音粗浊不清。

Polyphonic Instrument Recognition Using Spectral Clustering
Hierarchical Automatic Audio Signal Classification
Dynamic Spectral Envelope Modeling for Timbre Analysis of Musical Instrument Sounds
An Accurate Timbre Model for Musical Instruments and its Application to Classification
Audio event detection based on layered symbolic sequence representations
Audio event detection based on layered symbolic sequence representations
Automatic Segmentation of the Temporal Evolution of Isolated Acoustic Musical Instrument Sounds Using Spectro-Temporal Cues
Adaptation of source-specific dictionaries in Non-Negative Matrix Factorization for source separation
On the Use of Auditory Representations for Sparsity-Based Sound Source Separation
Polyphonic musical instrument recognition based on a dynamic model of the spectral envelope