noun ダウンロード 🔗共有 蔓延、発生 The presence of a large number of pest organisms in an area or field, on the surface of a host or anything that might contact a host, or in the soil. Examples : "The heavy rains led to infestations of mosquitoes in many gardens. " 大雨により、多くの庭で蚊の発生が起こりました。 organism biology environment nature agriculture insect animal plant ecology AIとチャット語彙ゲーム読解練習
