He studied her reaction to these words for a moment.

Trying to study his reaction to those small bits of official presence.

I hoped one day to study her reaction to it, which would be strange.

He took a split second to study her reaction and then swept on.

This recent finding could open up new methods to study chemical reactions.

"I have been carefully studying human reactions to our attacks," he said.

I resolve to study human reactions yet again, in hopes of understanding the phenomena.

In its reflection he studied the man's reaction to his sharply spoken words.

They may use glassware and other equipment to study chemical reactions.

He urged her to go out and buy something she liked so they could study her reaction.