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easy-to-understand
この説明はとても分かり易いので助かります。
This explanation is very easy to understand, so it is helpful.
図を使った先生の説明はとても分かり易かった。
The teacher's explanation using diagrams was very easy to understand.
専門用語が多くて、初心者には分かり易くない。
There are many technical terms, so it is not easy to understand for beginners.