31.vast巨大的;
32.critical批评的、关键的;
33.reasonable理性的;
34.adventurous冒险的;
35.sensitive敏感的;
36.illegible难以辨认的;
37.sharp明显的;
38.modest适度的、谦虚的;
39.senior 级别较高的;
40.advanced先进的;
41.independent独立的;
42.significant重要/大的;
43.artificial人工的;
44.conscious意识到的、注意到的;
45.temporary临时的;
46.external外部的;
47.internal内部的;
48.tiny细小的;
49.precious宝贵的;
50.technical技术上的;
51.rapid迅速的;
52.long-distance长途的;
53.impractical不切实际的 (反异词practical实际的);
54.troublesome棘手的;
55.mechanical机械的;
56.serious认真的、严重的;
57.regional地方的;
58.transcontinental横贯大陆的(公路/铁路);
59. remarkable显著的;
60.joyous快乐的;