医生在检查时注意到舌头有轻微炎症。
The doctor noticed slight ___lingual inflammation during the check-up.
他对语言障碍患者的语言能力进行了研究。
He studied the ___lingual abilities of patients with speech disorders.
牙医注意到牙齿的舌侧面有轻微的磨损。
The dentist noticed slight wear on the ___lingual surface of the tooth.