1、两个两个地
...两个两个的 pairwise两个两个地 by twos; in pairs它有一个长脖子 it has a long neck ...
by in twos and threes三三两两地
by twos in pairs成双地
by twos number二
by ones and twos三三两两地;两两地;零零落落地;零零散散
by twos and threes三三两两地;零零星星;两三个一次;零星地
by ones or twos三三两两;零零落落
by ones and by twos三
by y ones or twos三三两两