whiff-whaff
(topology, of a subset of a topological space) Given a subset S of a topological space X, a point x whose every neighborhood contains at least one point distinct from x that belongs to S.
of
Not lanthanide.
(proscribed) Obstinate.
(archaic) Table tennis.
夕食後、図書室で手早く卓球をして楽しんだ。
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DiQt
Free
★★★★★★★★★★
