二つずつ;二つづつ;二つ宛;二つあて [ふたつずつ(二つずつ;二つ宛);ふたつづつ(二つづつ;二つ宛);ふたつあて(二つ宛;二つあて)] /(adv,adj-no,n) two at a time/two by two/in twos/EntL1663240/