{"backache":{"definition":"n. an ache localized in the back","phonetic":"'bækeik","translation":"n. 背痛","word":"backache"},"backaches":{"definition":"n. an ache localized in the back","phonetic":"ˈbækˌeɪkiz","translation":"n. 背痛, 腰痛( backache的名词复数 )","word":"backaches"},"backacter":{"translation":"反铲; 反铲挖掘机; 反向铲; 倒铲","word":"backacter"},"backactor":{"translation":"反铲挖土机","word":"backactor"},"backalgia":{"translation":"[医] 损伤性背痛","word":"backalgia"}}