: improved or enhanced through the addition of one or more ingredients: such as
a
: having the alcohol content increased by the addition of distilled grape spirits during fermentation
Since Port is a fortified wine, it is fermented to about 5 percent alcohol, then brandy is added to arrive at a level of 20 percent alcohol. James Suckling
b
: enriched (as with vitamins or minerals) so that nutritional value is improved
VERBS | ADVERB | PREPOSITIONVERBS➤be增強ADVERB➤heavily, strongly大大加強PREPOSITION➤against對⋯的防禦有所加強◇The town was heavily fortified against attack.這個鎮大大增強了防禦攻擊的能力。