regain
/rɪˈgeɪn/verb
with obj.
1- obtain possession or use of (something, typically something abstract) again after losing it重新获得, 恢复使用（尤指抽象物）：
she died without regaining consciousness
她未恢复知觉就死了
the tyrant was able to regain Sicily.
暴君设法收复了西西里岛。
1.1
- reach (a place, position, or thing) again; get back to再次到达（地方, 位置, 事物）; 返回, 回到：
they were unable to regain their boats.
他们无法回到小船上。
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