Definition: to make something stronger Level: C2
安全门用钢条加固了。
The security door was ___reinforced with steel bars.
这座建筑由钢筋混凝土建造。
This building is made of ___reinforced concrete.
我们应该加固窗户以隔绝噪音。
We should ___reinforce our windows to block out the noise.
