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