accidental
US
UK accidental adj: (not deliberate, unplanned)
SC 偶然的 ǒu rán de
SC 意外的 ǒu rán de ，yì wài de
The coroner declared that her death was accidental.
accidental n: (music: modified note)
SC 变音记号
TC 變音記號
TC 變音記號
Accidentals are marked using sharp, flat, or neutral signs.
accidental discovery n: ([sth] discovered unintentionally)
SC 偶然的发现 ǒu rán de fā xiàn
Penicillin was just an accidental discovery, but it revolutionized medicine.