직항 [直航] (배의) a direct voyage[service]; (비행기의) a nonstop flight. ~하다 (배가) sail direct[straight] ; (비행기가) make a nonstop flight ; fly nonstop . 이 비행기[배]는 샌프란시스코로 ~하고 있다 This plane is flying[This ship is sailing] direct[nonstop]+모두 보이기... to San Francisco.▷ 직항로 a direct line.▷ 직항선 a direct steamer[boat].
직행: 직행 [直行] going straight[direct]; through running; [정차하지 않음] nonstop. ~하다 go straight[direct] ; run[go] through (기차가). 사고 현장으로 ~하다 rush straight to the scene of the accident. 갈아타지 않고 ~하다 go[run] thro