在这里，有趣的是：在作者“忧伤而疲惫的面容”中，左鼻孔下有一根从画笔上掉落的笔毛。

But here the funny is: on the "sad and tired face" of the artist, there is a brush hair, which was left from the brush, under the left nostril.

youdao

试验结果表明梳理机上工作辊与锡林速比、针梳道数、喂入根数和牵伸倍数对涤纶条中的纤维长度、毛粒含量有组合影响。

The experimental showed that fibers length and neps were influenced by speed ratio between cylinder and worker, gilling number as well as combination of sliver feed weight and gilling draft.

youdao

高速逆流色谱法分离毛菊苣根中的三种倍半萜烯内酯。

Isolation of three sesquiterpene lactones from the roots of Cichorium glandulosum Boiss. et Huet. by high-speed counter-current chromatography.

youdao