"quickly," c. 1200, former adverbial cousin to fast (adj.), from Old English fæstlic "firmly, fixedly, steadfastly, resolutely;" obsolete in 19c., simple fast taking its place.
权威例句
1. He came close to the painter and looked stead - fastly into his stern eyes.
他走近画家,并且死死地盯着他那目光严峻的眼睛.
2. It may be controlled in real - time , response speed is fastly.
可以 实时 控制, 响应速度快.
3. She ran up the stairs fastly.
她迅速地跑上阶梯.
4. After 1949, the primary education started to popularize, the higher education develop fastly.