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