a saving grace 可取之處a satisfied mind a satellite dish [新聞學與傳播學]衛(wèi)星碟a salty piece of land a sale on approval [管理學]試用買賣a sacred cow 圣牛 神圣之物a rustic opinion [歷史學]芻議a runny nose 流鼻涕a running nose 流鼻涕a running commentary 連續(xù)系統(tǒng)的注解，連續(xù)的評論a rule of thumb 概測法a round-trip ticket 往返票a round of applause 掌聲雷動a round mass of food 丸子a rough ride 艱難時期，艱難進程，艱難經(jīng)歷a rough diamond 未加工的天然鉆石 內(nèi)秀外粗的人a rotten apple 害群之馬（非正式） 討厭的家伙a romantic heroine [能源科學技術]浪漫女英雄a roll of film 一卷膠卷a riot of color 色彩繽紛