adjective🔗Share多节的，有节疤的 Full of knots."knotty pine"有节疤的松木natureconditionqualityChat with AIVocabulary GamePractice Reading
adjective🔗Share棘手的，复杂的。 Complicated or tricky; complex; difficult."a knotty problem"一个棘手的问题 (Yī gè jíshǒu de wèntí)abstractsituationconditionqualityChat with AIVocabulary GamePractice Reading
