But water containing the herbicide cannot be released back into the river and it is known that lowwater 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。
2
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。
3
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 waterhigher in dissolved oxygen.