at very fast speed

1. 兩人都干得很快，她們的巧手飛速地運動著，由于比賽帶來的興奮使她們不感到活兒很累。
   Both work with speed, their skilful hands move rapidly, and the excitement of the contest makes the labor light.
2. 在飛速發(fā)展的領域中，如計算機科學，研究人員遇到困難之一是跟上當今的發(fā)展水平。
   One of the difficulties of researchers in a fast-moving area like computer science is keeping abreast of current developments.

飛的英語翻譯：

速的英語翻譯：