strengthened
过去式：
动词过去式: strengthened
更多词形：
名词: strengthener | 动词过去式: strengthened | 动词过去分词: strengthened | 动词现在分词: strengthening | 动词第三人称单数: strengthens |
单词例句：
They strengthened the city walls.
他们加固了城墙。
The defenses of the city must be strengthened.
这个城市的防御工事必须加强。
To support or strengthen from beneath.
从底层支持，加固从下方给予支持或加固
Her new impression of him is strengthened by the evidence of an old Darcy family retainer who has nothing but good to say of Darcy.
她对于他的这种新印象，由于达西家一个老家仆的证明而又得到加深，这老家仆对达西赞不绝口。
The fence was strengthened with wire.
这堵围栏用金属丝加固了。
Work on employment was strengthened.
劳动就业工作有所加强。
A framework to support or strengthen a mine or shaft.
井壁基架用来支承或加固矿井的构筑
The wind strengthened during the night.
风在夜间刮得更猛了。
About two thousand men were ganged out to strengthen the works.
约有二千人编组成军加强防御工事。