knowledgeable
🇺🇸
/ˈnɑːlɪdʒəbl/
🇬🇧
/ˈnɒlɪdʒəbl/
knowing a lot about many things or a specific topic
My teacher is very knowledgeable and can answer all my questions about science.
私の先生はとても知識が豊富で、科学に関する私の質問すべてに答えることができます。