我们的所有活动都在一位经验丰富的导师指导下进行。
We hold all the activities under the guidance of an experienced tutor.
发言开始后，餐厅内其余所有活动都要停下，这样大家才能听见那三位演讲者说话。
When the speeches start, all activity must stop in tile restaurant, so that the three people giving them can be heard.
我们非常有兴趣在本学期的某个时候在我们的校园活动中聘请一位专业演讲者。
We are definitely interested in hiring a professional speaker at one of our campus events at some point in the semester.
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