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