GRE重點詞匯解析：ameliorate

　　1) pleasing to taste or smell

　　2) extremely pleasing to the senses, divine (as related to the gods) or delicious (n: ambrosia)

　　3) (食物或者氣味)特別美味的：something extremely pleasing to taste or smell

　　ambrosial <> unsavory

　　ambrosial : taste

　　ambrosial : food

　　【例】The ambrosial aroma of the roast stimulated our appetites.

　　【近】savory, aromal, aromatic, perfumed, redolent, odorous

　　【反】fetid, noisome, stenchy, malodorous, rancid