reactivate
v[Tn]
bring (sth) back into operation; make active again 使(某物)重新运转; 使恢复活力
reactivate an old generator 使旧发电机重新运转
reactivate a spacecraft's defence system 使宇宙飞船防卫系统重新进入工作状态
reactivate our links/contacts with China 恢复我们与中国的联系.
My dear friend, Mathilde. Let me tell you something. That necklace you borrowed from me wasn't a real diamond necklace. It wasn't valuable at all. The stones in the necklace were made of glass. It was worth five hundred francs at the most.