noun🔗Share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."The garden had a serious infestation of aphids, making it impossible to enjoy the vegetables. "庭にはアブラムシが蔓延し、野菜を楽しむことが不可能になっていた。organismenvironmentagriculturebiologynatureinsectanimalplantChat with AIVocabulary GamePractice Reading
