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- effluent draining periodically 定期排污
- The SBR goes through four periods，i. e. water inflowing，reacting，settling，draining periods. 该核心工艺是SBR，其运行周期主要分为进水期、反应期、沉淀期、排水期等四个阶段。
- There is a noticeable reduction in dung output from the piggery and also a very noticeable reduction in smell around the piggery and all effluent drains are running much easier with no blockages. 粪便的排出量大幅度减少，猪圈周围的臭气也明显减弱了，所有的排污系统可以畅通无阻的工作了。
- Dangerous effluent is being poured into our rivers. 有害的废水正流入我们的江河里。
- That maths exam I took was a regular brain drain. 绞尽脑汁的数学测验，我真是绞尽了脑汁。
- 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。
- It seemed that his life was draining off. 他的生命似乎在枯竭。
- They were busy trenching the fields for draining. 他们忙着在田里开沟排水。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- A certain discharge of possible radioactive effluent. 一定量的可能有放射性的废水。
- It seemed that his life was draining away. 他的生命似乎在枯竭。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- 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。
- Pull (out) the plug and let the water drain away. 拔掉塞子，把水放掉。
- New strains of viruses appear periodically. 新菌系的细菌周期性地产生。
- They are digging trenches to drain the water off. 他们正在掘沟排水。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- They are digging trenches to drain the water away. 他们正在掘沟排水。
- The coffee grains plugged up the kitchen drain. 咖啡渣堵塞了厨房的排水道。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
