285. subordinate a. 从属的
286. subscribe to v. 订阅
287. subsidy n. 补贴
288. subtle a. 微妙的>the ~ difference of the two words
289. supervise v. 监督
290. suppress v. 镇压; 抑制
291. tangle with v. 争吵, 纠葛
292. tariff n. 关税
293. tease v. 取笑
294. temperament n. 气质
295. tempt v. 引诱
296. tentative a. 试探的
297. terminate v. 终止
298. texture n. 质地
299. threshold n. 开端 on the ~ of (即将开始)