adjective🔗Share第一手的，直接的 Direct, without intermediate stages."firsthand knowledge"第一手知识 (Dì yī shǒu zhīshì)communicationChat with AIVocabulary GamePractice Reading
adjective🔗Share全新的，第一手的 Not previously owned or used; contrasted with secondhand."a firsthand copy"全新的第一手拷贝itemChat with AIVocabulary GamePractice Reading
