一位外籍老师正在我校演讲。
我们系已经聘请了一位外籍老师作为语音顾问。
Our department has engaged a foreign teacher as phonetic adviser.
想像一下如果只有你可以与一位外籍交换生或观光客交谈。
Imagine how impressed your friends when you're the only one who can speak to the new foreign exchange student or visitor in town.
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