fractional

1. ADJ If something is fractional, it is very small in size or degree. 微不足道的[usu ADJ n]

...a fractional hesitation. ...一點兒躊躇。

2. fractionallyADV [ADV group]

Murphy, Sinclair's young teammate, was fractionally behind him. 辛克萊爾的年輕隊友墨菲緊隨其后。