grooved specimen

例句：

1. 1.The engineer used a grooved specimen to measure the strength of the material.
   工程师使用有槽试样来测量材料的强度。
2. 2.The grooved specimen was crucial for testing the new alloy's properties.
   有槽试样对于测试新型合金的性质至关重要。
3. 3.The grooved specimen was used to simulate the real-world conditions during the experiment.
   有槽试样被用来模拟实验中的真实条件。