五分之一wǔfēnzhīyīTop 25000Meanings1. one fifthCharacters used五five分to divide之him一oneExamples1地球dìqiú表面biǎomiàn的de五分之一wǔfēnzhīyī被bèi冻土dòngtǔ覆盖fùgài了le。One fifth of the earth's surface is covered by permafrost.