| aquatic plant (Plants adapted for a partially or completely submerged life) |
水生植物 |
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| aquatic recreational amenity (No definition needed) |
水中娱乐设施 |
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| aquatic saline habitat |
水生盐性生境 |
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| aquatic weed |
杂草水生的, b |
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| aqueduct (A channel for supplying water; often underground, but treated architecturally on high arches when crossing valleys or low ground) |
导水渠道 |
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| aqueous film-forming foam |
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| aquifer (Layers of rock, sand or gravel that can absorb water and allow it to flow. An aquifer acts as a groundwater reservoir when the underlying rock is impermeable. This may be tapped by wells for domestic, agricultural or industrial use. A serious environmental problem arises when the aquifer is contaminated by the seepage of sewage or toxins from waste dumps. If the groundwater in coastal areas is over-used salt water can seep into the aquifer) |
含水土层 |
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| arable farming (Growing crops as opposed to dairy farming, cattle farming, etc.) |
耕种农业 |
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| arboretum (Collection of trees from different parts of the world, grown for scientific study) |
植物园 |
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| arboriculture (The planting and care of woody plants, especially trees) |
树木栽培 |
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| archaeological site (Any location containing significant relics and artifacts of past culture) |
考古遗址 |
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| archaeology (The scientific study of the material remains of the cultures of historical or prehistorical peoples) |
考古学 |
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| archipelago (A chain of many islands including the waters that surround them) |
群岛 |
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| architecture (The art and science of designing and building structures, or large groups of structures, in keeping with aesthetic and functional criteria) |
建筑学 |
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| Arctic and Marine Oil Spill Prog ram |
北极与海洋飘油防治方案 |
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| Arctic ecosystem |
北极生态系统 |
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| Arctic Ocean (The smallest and most poorly studied of the oceans on earth. It covers an area of 14 million square km that is divided by three submarine ridges, i.e. the Alpha Ridge, the Lomonosov Ridge, and an extension of the mid-Atlantic ridge. It is also nearly landlocked, covered year-round by pack ice, and the third of its area is continental shelf) |
北冰洋 |
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| Arctic region (The northernmost area of the earth, centered on the North Pole, that includes the Arctic Ocean, the northern reaches of Canada, Alaska, Russia, Norway and most of Greenland, Iceland and Svalbard) |
北极地区 |
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| area /intercellular concentration ratio |
面积/胞间浓度比值 |
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| area of potential pollution (Area which is supposedly causing dangers to human health and environment) |
潜在污染地区 |
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