您要查找的是不是：
- surface accumulation layer 表面增强层
- The vertical distribution of soil animal community in ubalpine coniferous forest in western Sichuan still had surface accumulation, but had the tend of adown moving. 川西亚高山针叶林土壤动物群落垂直分布仍具有表聚性，但有向下层移动的趋势。
- Railway jacking bridge engineering passing through sand pebble (gravel) layer, because it is a complex loose coarse fragment accumulation layer, the roadbed must be reinforced. 摘要铁路顶桥工程中遇到砂卵（砾）石层时，因砂卵（砾）石层是一种复杂松散粗碎屑堆积层，因此必须对铁路路基进行加固。
- Thus we can infer that Nihewan ape-man may either rest under the bare cliff of the Gorge Area or be buried in the marsh country or deep in the lake bed,or in the accumulation layer of the cavern. 由此推测,泥河湾大猿人或沉睡于沟壑区的裸崖下,或葬身于沼泽地带和湖底,或安葬于山洞的堆积层里。
- A surface, layer, or mass of frozen water. 冰面冻结的水的面、层或块
- Bleed off surface accumulators. 地面管线排空气。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- In contrast, impervious surfaces accumulate pollutants during dry periods and funnel high concentrations of the contaminants downstream when it rains. 相反的，不透水的地面会在乾季存积污染物，然后在降雨时将高浓度的污染物汇流而下。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- the main type of landslide in Qinling-Daba Mountains is small scaled landslide composed of shallow accumulation layer. 秦巴山区以小型浅层堆积层滑坡为主；
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- He is honest only on the surface. 他只是表面诚实而已。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- Surface mail takes longer than airmail. 普通邮件比航空邮件慢。
- The surface of the lake is quite still. 湖面相当平静。
- It's2 yuan by surface mail and3.6 yuan by air. 寄平信2元，寄航空要3元6角。
