He is recognized as the top person in that field.

In physics, blackbody radiation is a very important concept.

I am planning to go to Los Angeles next week.

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It was confirmed that he is a carrier of the common cold.

He is the leader of our team.

He is attending school to obtain a motorcycle license.

To measure your underbust size, you measure around the lower part of your chest with a tape measure.

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That joke is hilarious, isn't it?