in operation

汉语翻译

英语解释：

形容词 in operation:

1. being in effect or operation
   同义词：operational, operating

例句：

1. Ensure that the grille is in place while the machinery is in operation.
   机器运转时一定要放好安全网罩。
2. Is this rule in operation yet?
   这条规则生效了吗?