The dean can’t see you at the moment. He is addressing the first-year students in the lecture hall.
系主任现在不能见你。他正在演讲厅向一年级的学生讲话。
He does nothing that violates （runs against） the interests of the collective.
他不做任何违背集体利益的事。
As a result of sophisticated technologies, this device has several advantages over like products.
The patient’s condition has deteriorated since he had a heart attack.
At that time work was restricted（limited） to slaves and to those few poor citizens who couldn’t support themselves.
当时的劳动仅限于奴隶和少数无法养活自己的穷人。
I found this very profitable in diminishing （lessening）the intensity of narrow-minded prejudice.
我发现这对减少狭隘偏见的强度非常有益。
When a man knows that he will be put into prison if he uses a potentially deadly（fatal） object to rob or do harm to
another person, he will think twice about it .
When taken in large quantities some drugs can cause permanent（lasting） brain damage.
如果大量服用某些药物，可能会造成永久性的脑损伤。
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