[填空题]
Let us see how dictionaries are made and how editors arrive at
definitions. The task of writing a dictionary begins with the reading of vast
amounts of the {{U}} (47) {{/U}} of the period or the subject that the
dictionary is to cover. As editors read, they copy on cards every interesting or
rare word, every unusual or {{U}} (48) {{/U}} occurrence of a common
word, a large number of common words in their ordinary uses, and also the
sentences in which each of these words appears, thus:
pail
The daily pails bring home increase of milk.
Keats, Endymion
The
{{U}} (49) {{/U}} of each word is collected, along with the word itself.
For a really big job of dictionary writing, such as the Oxford English
Dictionary, millions of such cards are collected, and the task of editing
{{U}} (50) {{/U}} decades. As the cards are coll
