Ngoi-khô Fûng-choi-é(外科封嘴仔, Yîn-ngî: surgical mask) me ôn-to Ngoi-khô Khiéu-chau (外科口罩) he pûn yî-liàu chôn-ngia̍p ngìn-yèn chhai sú-su̍t lâu yî-phiang (醫病) ke sṳ̀-chiet tai ke fûng-choi-é, yung-yi he m̀-pûn se-khiûn chin-ngi̍p choi lâu phi.
Ngoi-khô Fûng-choi-é
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