allow
[動] 許す
reach
[動] 届く
fully
[副] 十分に
offer
[動] 提供する
category
[名] 種類
serve
[動] 仕える
together
[副] 共に
often
[副] しばしば
heavy
[形] 重い
especially
[副] 特に
maintain
[動] 保持する
role
[名] 役
final
[形] 最後の
cost
[名] 値段
die
[動] 死ぬ
children
[名] 子供たち
warranty
[名] 保証書
description
[名] 描写
addition
[名] 付加
join
[動] 参加する
refer
[動] 参照する
suggest
[動] 提案する
therefore
[副] それ故に
edge
[名] 端