扎根: to take root...
落下: to fall, to drop, to land (of projectile)...
前线: front line, military front, workface, cutting edge...
防治: to prevent and cure, prevention and cure...
透露: to leak out, to divulge, to reveal...
限: to limit, to restrict, (bound form) limit, bound...
影子: shadow, reflection, hint, indication, influence...
何处: whence, where...
端正: upright, regular, proper, correct...
火速: at top speed, at a tremendous lick...