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