Have your partner choose one of the speech topics and speak impromptu for two minutes.
由你的搭档挑选一个话题，即兴演说两分钟。
His speech covers most of the hot topics in the field.
他的发言涵盖了这个领域的大部分热点话题。
The speech act of request is one of the principal topics in pragmatics.
请求言语行为是语用学研究的中心课题之一。
The speech act of request is one of the principal topics in pragmatics.
请求言语行为是语用学研究的中心课题之一。
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