280. stall [st?:l]n.货摊，出售摊 281. steamed ['sti:mid] adj.蒸的，蒸汽的 282. stick [stik]n.棒，棍 283. tasty ['teisti]adj.好吃的，可口的 284. think about 考虑 285. tomato paste 番茄酱 286. tuna ['tju:n?]n.金枪鱼 287. watercress ['w?:t?kres]n.豆瓣菜，水田芹 288. watermelon ['w?:t?mel?n]n.西瓜

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