及物动词

1. 筑防于;设要塞于;加固
To fortify a place means to make it stronger and more difficult to attack, often by building a wall or ditch round it.

1. make strong or stronger

e.g. This exercise will strengthen your upper body
strengthen the relations between the two countries

Synonym: strengthenbeef up

2. add alcohol to (beverages)

e.g. the punch is spiked!

Synonym: spikelace

3. add nutrients to

e.g. fortified milk

4. prepare oneself for a military confrontation

e.g. The U.S. is girding for a conflict in the Middle East
troops are building up on the Iraqi border

Synonym: armbuild upgird

5. enclose by or as if by a fortification

Synonym: fort