對稱齒條rack: n. =arrack. symmetrical rack proportio: 對稱齒條比例symmetrical rack proportions: 對稱齒條比例symmetrical: 調和的; 對稱的均稱的;相稱的平衡的; 對稱性的; 對位的; 均衡的; 兩側對稱的; 輸入; 相稱性的; 勻稱的be on the rack: 受酷刑, 受折磨, 極度不安下載手機詞典可隨時隨地查詞查翻譯