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