single edge notched specimen

例句：

1. 1. The single edge notched specimen isa valuable tool for studying the behavior ofanimals in their natural habitat.
   这个单边缺口标本是研究动物在自然环境中行为的一个宝贵工具。
2. 2. The researcher collected thissingle edge notched specimen from the forestto study its impact on wildlife.
   研究员从森林中收集了这个单边缺口标本，以研究其对野生动物的影响。
3. 3. The singleedge notched specimen was used as evidencein the trial to prove that the accusedhad committed the crime.
   这个单边缺口标本被用作证据，以证明被告犯有该罪行。