activate
v[Tn]
1 make (sth) active 使(某事物)活动
The burglar alarm was activated by mistake. 防盗铃误响了.
2 (physics 物) make (sth) radioactive 使(某物)产生放射性.
3 (chemistry 化) make (a reaction) happen more quickly, eg by heat 使(反应)加快(如藉加热); 使活化.
And then I watched all the glasses that were on the table fall off onto the floor.
接着我看到桌上所有的玻璃杯都掉到了地板上。
Quick, turn the gas off. Cover the pan. Be careful!
快,把煤气关上。盖上锅。小心!
On our way home that night I looked down and saw that the necklace was not around my neck any more. I told Pierre. We rushed back to the palace and looked for it.We asked everyone there if they had found a necklace, but without luck. We couldn't find it;