in circulation

汉语翻译

例句：

1. Police say a number of forged banknotes is in circulation.
   警方称市面上有一定数量的 * 。
2. After a month in hospital, she is back in circulation.
   住了一个月的医院后，她又重新活跃起来了。
3. Police say a number of forged banknotes are in circulation.
   警方称市面上有一定数量的 * 。
4. These ideas have been in circulation for some time.
   这些想法已经流行了一段时间。