神速的英文：
celeritous

Treating headache with essential balm has a marvelously quick result at a low price.
万金油治疗头痛，不仅疗效神速，而且价格便宜。

Yield marvelously quick results
收效神速;疗效神速

Marvelously quick in moving troops
用兵神速

Taking the anti-diarrhea of our factory will achieve a marvelously quick result.
用本药厂的治泻药，疗效神速。

Every patient hopes to get good medicine which can yield marvelously quick results.
每位病人都希望得到疗效神速的良药。

So swift was the advance that the Germans did not have time to destroy the harbor facilities at Antwerp
盟军进展神速，德军来不及破坏安特卫普的港口设施。

This drug gives rapid relief to sufferers from gout.
这药封痛风患者的止痛效果神速。