shearing of thin disc

例句：

1. 1. The carpenter used a saw to cut the wood into pieces.
   木匠用锯子把木头切成了块。
2. 2.The chef used a sharp knife to trim the vegetables for the dish.
   厨师用锋利的刀切蔬菜准备这道菜。
3. 3. The engineer conducted a shearing test on the beam to ensure its strength.
   工程师对梁进行了剪切试验，以确保其强度。