| 词汇 | weir |
| 释义 | weir noun[ C ] uk /wɪər/ us /wɪr/ a wall built under the water across a river, over which the water flows from one level to another in a controlled way堰;拦河坝 Parts of watercourses artesian well backwater basin confluence drainage basin estuarine firth interbasin interchannel lock lock-keeper meander mooring mouth narrows reach spring subbasin tributary water table Examples of weirweir It was also reflected through their role on these irrigation systems after the construction of a new weir. Declining participation in collective action was mainly due to people's perception that construction of a new weir virtually eliminates maintenance efforts. They used to contribute to the construction of the weir as well as the reconstruction, repair and maintenance of the weir. After construction of new weir, farmers in the upstream system also suffered from the higher competition for water that resulted in increased water scarcity. Participation in activities such as cleaning and repairing of ditch and offering to the spirit of weir also declined considerably after intervention. Dikeand-pool containment using sandbags, sorbent booms and pads, and an intercept weir, was installed at the site before spring breakup. The outflow rate was controlled by a cylindrical outflow weir which ensured a constant water level in the system and, therefore, equal inflow and outflow. For active monitoring purposes infected fish could be exposed in weir-baskets at different locations to eliminate problems associated with the fish host's mobility. Cytoplasmic processes (ribs) of these two cells interdigitated to form a weir which is thought to function as a filtration apparatus. Weir continues to display an enviable gift for discovering new colours and timbres without losing her ability to communicate with rigour and compassion. A majority of the respondents reported that the role of weir leader has not changed. In fact, maintenance is needed even after the construction of a new weir. Their role was most prominent in the traditional irrigation system before, as well as even after the construction of a new weir and intervention in operation and maintenance work. Using farm debris (waste) to establish weirs. Weir has long been skilled at integrating her own distinctive voice with the jostling presences of models, precursors and 'found' - usually folk - materials. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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