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441. virtually ad. 实际上 442. wretched a. 难过的 443. flexible a. 灵活的 The dancers body is very ~. 444. facet n. 侧面 a ~ of American life 445. endeavor v. /n. 努力 446. elaborate a. 精心的 447. crude a. 未加工的 ~ oil 448. preach v. 说教 449. strive v. 力求 ~ for freedom 450. punctual a. 守时的 He is a ~ man. 451. harness v. 治理 ~ a river 452. integrity n. 诚实;完整 453. submit to v. 屈服=yield to 454. launch v. 发起 455. striking a. 显著的 456. instinct n. 本能 457. maintenance n. 保养 458. scrape v. 刮,擦 459. sensible a. 合情理的 460. eliminate v. 去除 461. propel v. 推动 462. pledge n. 保证 463. label n. 标签 464. justify v. 使有正当理由 465. initiate v. 创始 466. stereotype n. 陈规，固定的看法 467. identifywith v. 使等同 468. convey v. 传达 469. collapse v. 坍塌 | 
