infrahyoid lymph nodes

例句：

1. 1. The doctor performed a biopsy on the infrahyoid lymph nodes to investigate the cause of his patient's symptoms.
   医生对舌下淋巴结进行了活体检查，以调查患者症状的原因。
2. 2. During the examination, the doctor found several enlarged infrahyoid lymph nodes under the tongue.
   在检查过程中，医生发现舌头下面有几个肿大的舌下淋巴结。
3. 3. Infrahyoid lymph nodes are often associated with infections or inflammations in the throat area.
   舌下淋巴结通常与喉咙区域的感染或炎症有关。