oral Chinese understanding systems 汉语语音理解系统
Oral Microbiology and Immunology focuses primarily on the knowledge and understanding of the oral ecosystem and its unique role in human health and disease.
口腔微生物学及免疫学主要研究口腔生态系统的知识及认识，是一门独特的用于人类健康和疾病的学科。
Understanding the composition of the oral microbiota will also help scientists devise new prevention measures and treatments for oral diseases.
了解了口腔中的生物群组合同样也有助于科学家们找到防治口腔疾病的新方法。
Advanced—At this level , students will be polishing not just their oral English ability , also their writing skills and understanding of the Anglo—culture .
高级：在这个级别，学员不但能够更进一步提高他们的口语技能，他们的写作技能和对英语文化的理解也将得到增强。
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