ch.

The uvular r's of French and the fricative, glottal ch's of German (and Scots) are essential to one's imagination of these languages and their speakers.

人们一听到法语的小舌音、摩擦音，或者德语（和苏格兰语）的喉音，就会对语言本身和语言的使用者产生各种想象。

Conclusion Cerebroprotein hydrolysate conta ins abundantly essential amino acid and small molecular peptid to human brain wi ch can inprove functional activation of human brain cells .

脑白水解物富含人脑必须氨基酸及小分子肽，能改善脑细胞功能活性。