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Use "give off" in a sentence
"In the sick bay he concocted some type of delayed-action chemical fuse that would give off plenty of smoke but very little flame -- there are a dozen combinations of acids and chemicals that can bring this about, and our friend will be a highly trained expert well versed in all of them."
"Probably, he thought, I give off emanations of unattainability; women inevitably want what they cannot have."
"It would gradually fill up with pus and necrotic tissue, and that would give off a powerful odor."