Phīⁿ-khiuⁿ (Latin-gí: Cavum nasi) sī phīⁿ-á loē-pō͘ ê khang-tōng, hō͘ phīⁿ-tiong-keh hun chò nn̄g pêng.

Phīⁿ-khiuⁿ kái-soeh tô͘.

Siong-koan siu-kái