300. depressed 沮丧的，萧条的301. instruction 教导，说明302. slightly 轻微地303. meaningful 有意义的304. principle 原则305. undeserved 不应得的306. betray 背叛307. moderate 中等的，适度的308. evaluate 评价，估价309. honorable 值得尊敬的310. artificial 人造的311. concept 概念312. symbolize 象征313. promising 有前途的314. conflict 冲突315. display 显示，陈列316. definitely 明确地，肯定地317. interrupt 打断318. recall 回想起319. recite 背诵320. resist 抵制321. desperate 绝望的322. elegant 优雅的323. attempt 试图324. random 随机的325. profitable 有利可图的326. treasure 珍惜，宝藏327. poisonous 有毒的328. dilemma 窘境329. correctly 正确地330. system 系统331. complicated 复杂的332. application 申请，应用程序333. simple 简单的334. recognize 认出，认可335. cruel 残忍的336. comfortable 舒服的，舒适的337. feared 害怕的338. replace 代替339. method 方法340. seize 抓住341. misunderstand 误解342. mistake 错误，弄错343. imply 暗示344. disease 疾病345. repay 偿还，报答346. describe 描述347. contract 合同348. promote 促进，提升349. sacrifice 牺牲