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Sentence

このサーモスは保ほ温おん性せいがとても高たかい。

Span Details

pre-noun adjective

thermos; vacuum flask

は

topic marker

grammar

保ほ温おん性せい

heat retention; thermal insulation; insulating property

very; awfully; exceedingly

高たかい。

high in level; above average; high-quality