Wikipedia の三国志関連の記事を読んで英語・英単語の勉強をしていきます。袁紹その3に引き続き第26回は袁紹その4です。 en.wikipedia.org Both sides made preparations for a decisive battle. Towards the end of 199, both sides had already engaged in skirmishes at Liyang, a major crossing point of the Yellow River. Cao Cao prepared his defences around Guandu…