But water containing the herbicide cannot be released back into the river and it is known that low water levels can harm river ecosystems accustomed to higher levels.

但含有除草剂的水不能再排向河流，而且我们知道低水位将会对习惯于高水位的河流生态系统造成危害。

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Low TDS waters have a light, sometimes crisp, perception, while higher TDS levels give the water some weight and substance.

低固体含量(TDS)水带有含汽泡，有时有脆的感觉或口感，另外高固体物质含量(TDS)赋予水质感。

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When a part of the metal is in contact with water relatively low in dissolved oxygen, it is, of course, anodic to adjoining areas in contact with water higher in dissolved oxygen.

当金属的一部分与溶解氧浓度相对较低的水接触，而邻近部分与溶解氧浓度高的水接触，则前一部分为阳极。

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Foods that are higher in fiber or water, like soup, non-starchy vegetables, and low-fat dairy, have much lower caloric densities, so if your daughter's appetite is limited, these foods should be minimized somewhat as they may fill her up without providing enough calories to help her gain weight.

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