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