A gust of wind pried loose a section of sheet-metal roofing.一阵狂风把铺在屋顶上的一块金属片掀起来了。Stone began to be used as a roofing material.石料开始被用作盖屋顶的材料。The roofing slates were laid to overlap each other.石板屋瓦是相叠着放置的....
Woodlice attack living plants and gnaw at the stems.木虱会侵害活体植物并啃咬它们的茎。Much of the instability stems from the economic effects of the war.不稳定局面多半是由战争对经济的影响造成的。It is easy to detach the currants from the stems.很容易就能把醋栗从梗上摘下来...
Modern Stirling engine can be divided into two main categories - displacer type machines and double - acting machines.现代的斯特林发动机可分成两大类:置换式发动机和双作用发动机.News of the fierce forces that were coming struck terror in Edinburgh an...