近年来 (jìn nián lái)这 (zhè)条 (tiáo)线 (xiàn)已经 (yǐ jīng)成 (chéng)了 (le) 毒品 (dú pǐn)运输 (yùn shū)的 (de)主要 (zhǔ yào)路线 (lù xiàn)了 (le)
You can Suggest your own translation to Longdo