huyết mạch

== Vietnamese == === Etymology === Sino-Vietnamese word from 血脈 (“blood vessel”). === Pronunciation === (Hà Nội) IPA(key): [hwiət̚˧˦ majk̟̚˧˨ʔ] (Huế) IPA(key): [hwiək̚˦˧˥ mat̚˨˩ʔ] (Saigon) IPA(key): [wiək̚˦˥ mat̚˨˩˨] === Adjective === huyết mạch (of a road) crucial because it helps connect places and ensures fluid traffic between important areas, economy-wise or military-wise === See also === mạch máu