医生指出，这块肌肉是下压眼睑的主要降肌。

The doctor pointed out this muscle is one of the main ___depressors of the eyelid.

护士用压舌板轻轻压下病人的舌头进行检查。

The nurse gently pressed down the patient's tongue with a ___depressor for the examination.

长时间的阴雨天气是影响人们心情的抑制因素。

Prolonged rainy days are mood ___depressants that affect people's spirits.