您要查找的是不是：
- effluent activity meter 流出液放射性测量计
- activity meter with automatic changer 自动换样的放射性测量仪
- Evaporated sample liquid activity meter 蒸发液体试样放射性测量计
- liquid scintillator activity meter 液体闪烁(放射性)活度测量仪
- vertical-horizontal animal activity meter 动物垂直、水平方向活力测定仪
- Dangerous effluent is being poured into our rivers. 有害的废水正流入我们的江河里。
- The effluent from the factory makes the river unsafe for swimming. 工厂放出的废水把这条河弄得不能游泳了。
- A certain discharge of possible radioactive effluent. 一定量的可能有放射性的废水。
- The chemical companies are poisoning our rivers with effluent. 这些化学公司排出废水污染著我们的河流。
- The office has been humming with activity. 办公室一直忙着搞活动。
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- There has been a lot of activity in the town today. 今天市中心相当热闹。
- The town was humming with activity. 该市镇生气勃勃，呈现一片热闹的景象。
- All effluent discharges are now under control. 现时所有污水排放已受到管制。
- Stamp collecting is my favorite activity. 集邮是我最喜爱的消遣。
- The store was a scene of great activity. 这家商店顾客盈门。
- He once engaged in anti-government activity. 他一度从事反政府的活动。
- The office is humming with activity. 办公室里一片忙碌。
- You should wash the car park with effluent water. 你应该用排出来的水洗停车场。
- A center of interest or activity. 中心兴趣或活动的中心
