adjectiveB1
効果的な、有効な
working well and producing the result you want
例文
This medicine is very effective against headaches.
この薬は頭痛にとても効果的だ。
効果的な、有効な
working well and producing the result you want
例文
This medicine is very effective against headaches.
この薬は頭痛にとても効果的だ。