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- efficiency of sand resistance 阻沙效益
- Study on Soil Wind Erosion and Vegetation efficiency of Wind and Prevention Sand Resistance Artificial Vegetation at Sand-Land in Yongding River in Beijing. 北京市永定河沙地土壤风蚀与人工植被防风阻沙效益研究。
- The bond that binds the smugglers together is a rope of sand. 把走私犯联接起来的是条沙做的绳子，一碰就碎。
- The young man has plenty of sand in him. 这个年轻人有足够的勇气。
- A grain of sand made my right eye tear. 一粒沙子弄得我右眼淌泪。
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- The truck dumped its load of sand on the driveway. 卡车将沙子卸在车道上。
- The surrounding country is a wilderness of sand. 周围是茫茫一片砂石地。
- The truck was carrying a load of sand. 卡车装运一车沙子。
- There is a grain of sand in his eye. 他眼里有一粒沙子。
- Can you help me to get this load of sand up against the tree? 你能帮我把这堆沙推到那棵树旁边吗？
- All he is actually doing is to weave a rope of sand. 他实际在做的一切毫无价值可言。
- Friction lowers the efficiency of a machine. 摩擦减低机器的效率。
- We can see numberless grains of sand in a windy day. 在风天，我们能看到无数沙粒。
- He asked about the efficiency of the new machine. 他问到新机器的效率。
- They also impede backmixing of sand. 同时也可防止砂子的返混。
- She embedded the bulbs in a box of sand. 她把球茎栽在一盘沙土中。
- To destroy or hinder the efficiency of; frustrate. 使不起作用使无效或限制其效力的发挥；阻挠、挫败
- How to improve the efficiency of a meeting? 如何提高开会的效率?
- The prospector panned out bits of sand and gravel scooped from the bed of a stream. 探矿者淘选从河床里挖出的少量含金泥沙和砂砾。
