相关单词近义词 initially 最初, ab initio 从头开始, at the start 开始临近词at, Atobe相似词at bottom idiom, at close quarters/range idiom, at each other's throats idiom, at every turn idiom, at full tilt idiom, at full/half throttle idiom, at hand idiom, at heart idiom, 返回 at first