He is a volcano expert, so I thought he might be teaching your class.
他是研究火山方面的专家，所以我想他可能在给你们上课。
There is both difference and relation between expert grammar and teaching grammar.
专家语法和教学语法之间既有区别又有联系。
This expert system can be used for design, consultation, teaching.
本专家系统可用于设计、咨询和教学。
There are even more obstacles to the development of expert teaching performance.
在通往专业水准的路上甚至还有更多障碍。
她在教学方面是专家。
她在教学方面是专家。
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