how much did he weigh birthhe weigh 10 jin.A.by B.at C.on D.when 要理由weigh--------birth

问题描述:

how much did he weigh birth
he weigh 10 jin.A.by B.at C.on D.when 要理由
weigh--------birth

he weighed 10 jin at birth
at birth 出生时

at birth 出生时 (固定搭配)