逆粒級(jí)reverseibility: 可逆的reversefrequency: 倒置頻率reverseidler: 倒車(chē)用空套齒輪 反向惰輪 反轉(zhuǎn)空轉(zhuǎn)齒輪reversefeedback: 負(fù)回授reverseincometax: 反所得稅下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯