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例句：
The operator will put you through.
接线员将为你接通电话。
He dialled the operator and put in a call to Rome.
他拨通了接线员，往罗马打了一个电话。
His grandfather was a professor.
他爷爷曾是位教授。
In my youth my ambition had been to be an inventor.
在我年轻时我的抱负曾是当一名发明家。