汇

huì class; collection

huì variant of 匯|汇[hui4]

huì to remit; to converge (of rivers); to exchange

旺

wàng prosperous; flourishing; (of flowers) blooming; (of fire) roaring

怎么

zěn me how?; what?; why?

zěn me variant of 怎麼|怎么[zen3 me5]

验证

yàn zhèng to inspect and verify; experimental verification; to validate (a theory); to authenticate

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