chaperon
An adult who accompanies or supervises one or more young, unmarried men or women during social occasions, usually with the specific intent of preventing some types of social or sexual interactions or illegal behavior.
That functions by use of a dot matrix
(physics) The branch of physics which studies matter and energy at the level of atoms and other elementary particles, and substitutes probabilistic mechanisms in place of classical Newtonian ones.
being a part, or component of a whole / authorized to make a constitution
付き添いの大人は舞踏会の隅から注意深く見守り、十代の若者たちが礼儀正しく振る舞うようにしていた。
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DiQt（ディクト）
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