The small British crowd roared themselves hoarse, waving their Union Jacks.一小群英国人挥舞着国旗，吼得嗓子都沙哑了。When he spoke, his voice was hoarse and cracked.他说话时声音沙哑颤抖。"So what do you think?" she said in a hoarse whisper.“那么你认为如何？”她声...
通过微囊化技术 、 外包及混合造粒都可以提高CNN的稳定性.By microencapsulation, envelopment and mixing granulation, the stability of the CNN can be improved.用高压静电成囊装置制备藻酸钠 - 多聚赖氨酸 - 藻酸钠 ( APA ) 微囊化细胞.Alginate - polylysine - alginate ( APA ) microe...