He could have concentrated on the battle in South Vietnam.
他本来可以在南越战场上全力以赴.
辞典例句
Their success over Cambodia doomed that country and therefore South Vietnam as well.
他们在柬埔寨的胜利也置南越于死地了.
辞典例句
英英释义
Noun
1. a former country in southeastern Asia that existed from 1954 (after the defeat of the French at Dien Bien Phu) until 1975 when it was defeated and annexed by North Vietnam