| 1. 劍橋英英字典 twenty twenty |
2. 雅虎奇摩字典 twenty |
3. 韋氏線上字典 twenty |
4. 朗文英英字典 twenty |
| 5. Google字典 twenty |
6. icibt寫作句庫 twenty |
7. 美國遺產字典 twenty |
8. wiktionary twenty |
| 9. Wikipedia twenty |
10. Howstuffworks twenty |
11. Urban Dictionary twenty |
12. EarthSky twenty |
| 13. answers.com twenty |
14. WordReference.com twenty |
15. 英漢詞典 twenty |
16. yourdictionary.com twenty |
| 17. Webster Dictionary twenty |
18. onelook.com twenty |
19. W3dictionary twenty |
20. Medlineplus dictionary twenty |
| 21. Inogolo(名字發音) twenty |
22. Forvo(發音) twenty |
23. Quotations(語錄) twenty語錄 |
24. 韋氏線上學生字典 twenty |
| 25. 韋氏線上學生詞典 twenty |
26. 韋氏線上押韻字典 twenty |
27. Thesaurus.net同義字典 twenty |
28. Macmillan Dictionary twenty |
| 29. Macmillan Thesaurus twenty |
30. getwords.com twenty |
31. bettermedicine.com twenty |
32. Collins twenty |
| 33. Oxford Dictionary twenty |
34. Oxford ALD twenty |
35. ozdic.com twenty |
36. Oxford American twenty |
| 37. Stanford Encyclopedia of Philosophy twenty |
38. 圖片搜尋 twenty |
39. PDF搜尋 twenty |
40. SWF搜尋 twenty |
| 41. English-cobuild twenty |
42. Babylon English twenty |
43. Babylon Search twenty |
44. AlphaDictionary twenty |
| 45. 線上英漢字典 twenty |
46. Wordnik twenty |
47. 同義與反義字 twenty |
48. howjsay . com twenty |
| 49. Medical Dictionary twenty |
50. Your Dictionary Sentences twenty |
51. PronounceHow twenty |
52. Dictionary Reverso twenty |
| 53. Memidex(發音) twenty |
54. dict.cc twenty |
55. Name Pronunciation twenty |
56. Vocabulary.com twenty |
| 57. WebMD twenty |
58. 海詞 twenty |
59. 新浪香港 twenty |
60. Linguee twenty |
| 61. VoiceTube twenty |
62. 大詞典 twenty |
63. sentencedict.com twenty |
64. definition-of.com twenty |
| 65. YouTube twenty |
66. 詞都 twenty |
67. 押韻詞典 twenty |
68. RhymeZone twenty |
| 69. RhymeZone twenty |
70. 漢語詞典 twenty |
71. Pronounce Names twenty |
72. Youglish twenty |
| 73. 查文法 twenty |
74. Purdue OWL twenty |
75. Reference.com twenty |
76. Ozdic.com 語詞搭配 twenty |
| 77. OXFORD 語詞搭配 twenty |
78. YARN movie clips twenty |
79. Ted.com twenty |
80. thesaurus.plus twenty |
| 81. cliffsnotes twenty |
82. sparknotes twenty |
83. Describing Words twenty |
84. Ludwig twenty |
| 85. study.com twenty |
86. webmd.com twenty |
87. word hippo(adj) twenty |
88. word hippo(noun) twenty |
| 89. word hippo(verb) twenty |
90. word hippo(adv) twenty |
91. word hippo(singular) twenty |
92. word hippo(pl.) twenty |