thong-tō通道

passageway

passageway; passage; thoroughfare; route; pass; lane; access; channel; channel; channel (as in ion channel)

medicine

English Wiktionary, “通道” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E9%80%9A%E9%81%93 · confidence: Medium (Wiktionary, Hokkien)