V-ERG (使)破裂;(使)裂开;(使)断裂 If something hard cracks, or if you crack it, it becomes slightly damaged, with lines appearing on its surface.
A gas main had cracked under my neighbour's garage and gas had seeped into our homes...
邻居车库下面的煤气总管裂开了，煤气渗入了我们家。
N-UNCOUNT （气候等的）侵蚀，腐蚀Erosion is the gradual destruction and removal of rock or soil in a particular area by rivers, the sea, or the weather.
As their roots are strong and penetrating, they prevent erosion.
它们的根十分粗壮而且扎得很深，从而避免了受侵蚀。
N-COUNT (纸、布、食物等的)条，带A strip of something such as paper, cloth, or food is a long, narrow piece of it.
...a new kind of manufactured wood made by pressing strips of wood together and baking them...
一种用木条压紧并烘烤而制成的新型人造木材