相关单词近义词 falling off 减退, decrease 减少, decline 下降, reduction 减少, drop 落下, cut 切, slump 大幅度下跌, slack 松弛的, drop-off 急下降临近词Fallo, fall, fall on one's face, fallacia auditolia, fallen out of step, fall to ones share, fallacia auditoria, fall-ball method, falls into arrears, Fall among thieves, falling phyllotaxy, fall into a stupor 返回 falloff