y
noun[U]
(alsoY)uk/waɪ/us/waɪ/used torepresentthe second of twonumbersornamesthat are notknownorstated, when the first isrepresentedby "x"
未知(或未指明)的数(或名称)(在两个未知或未指明的数或名称中,当第一个用x代替时,y用来代替第二个)
If 2x = 3y and x = 6, then y = 4.假设2x=3y且x=6,则y=4。
Thechildrenontrialwere referred to aschildX andchildY.受试儿童被称作儿童X和儿童Y。