大家都搜：
n.表层土；上层土
1、stopcock iv───活塞iv
2、pyrophorus nyctophanus───夜蛾
3、stop talk───别说了
4、stopcock valve───旋塞阀
5、dude stop───哥们停下
6、stop chat───停止聊天
7、topsail island───托普赛尔岛
8、big top───马戏团生活；马戏团的主帐篷；大帐篷，马戏篷
9、just stop───停下来
10、stopper fire alarm cover───挡火报警盖
1、The difficulty of the remediation technology was that the topsoil of the site is sticky, small particle size and severely polluted.───铬渣污染场地的表层土壤由于粘性大、粒径小且污染严重成为治理的难点。
2、it crashed down the steep mountainside like a gigantic snowplough, it swept up trees, boulders and tons of topsoil, and completely crushed and destroyed the six villages that lay in its path.───它像一台巨大的扫雪机一样冲下陡峭的山坡，卷走了树木、巨石和成吨的表土，将沿途的六个村庄彻底摧毁。
3、This means topsoil contains few of the ingredients needed for long-term successful farming.───这意味着表层土壤几只含有少量长期成功耕作所必需的成分。
4、With hoes and axes, they crafted flat, wide terraces and a simple water-management system that would keep valuable topsoil in place.───手拿锄头和斧子，他们精心的建造出自己的平地，梯田，和简单的水处理XiTong，这样可以保持住最肥沃的表层土不要流失。
5、After shoveling out the topsoil, Garfinkel uncovered coins and other artifacts from the time of Alexander the Great.───在铲去了表层土以后，加芬克尔发现了来自亚历山大大帝时期的硬币和其他人工制品。
6、A week later, no smell could be detected as the workers tamped down a final layer of topsoil.───一周以后，当工人将最上层的表层土夯实以后，臭味就消失了。
7、Because of this increased concentration, regrowth of plants is minimal, leading to increased erosion, which leads to a decrease in the fertile topsoil, leading to even less regrowth.───由于浓度的增加，植物的再生长很少，导致侵蚀增加，使得肥沃的表层土壤减少，再生长更少。
8、Thus the farmer is helping nature rebuild the topsoil that holds the rain, resists the wind and provides food for growing plants.───因此，农民是协助大自然重建能够存蓄雨水、抵抗风力和滋养各种植物的表面土壤。
9、Where there are no trees the rain falls on the surface, causing floods, and carries away with the rich topsoil, in which crops grow so well.───那里没有树雨点落在表面，形成的洪水，而携带带走了丰富的表层土，庄稼长得这样好。