Definition: a very small number or amount Level: C2
整个过程在零点几秒内就完成了。
The entire process was completed in a ___fraction of a second.
他以微弱的零点几秒优势在终点线摄影判定中获胜。
He won the photo finish by a mere ___fraction of a second.
只有极少一部分古代手稿留存至今。
Only a tiny ___fraction of the ancient manuscript has survived to the present day.
