ad・di・tion・al /dn, -n, d- ｜ d-/ adj. 追加的な, 付加の, 補助的な (added). ・additional work. ・an additional charge 追加料金. ・It took an additional ten minutes. さらに 10 分を要した. ・We need additional support [supporters]. さらなる支持[支持者]が必要だ. ・We need at least 200 additional members [an additional 200 members]. 少なくともさらに 200 人の会員が必要だ. 《1639》 ← ADDITION＋-AL^１