2. Write in the irregular plurals of these nouns. 写出以下不规则名词的复数形式。
3. A. Plurals: Write the plurals of these words in the correct columns below. 将加粗中名词的复数形式填入正确的栏目中。
4. I have not experimented with words having irregular plurals; words like datum and data might trip up Rails. 我没有使用不规则复数单词的经验;datum 和 data 等单词可能会令 Rails 出现问题。
5. Overly literal search engines reduce usability in that they're unable to handle typos, plurals, hyphens, and other variants of the query terms. 过分依赖文字的搜索引擎降低了搜索可用性,他们不能应付那些打字稿(扫描稿),错别字、以及复数的、加了连字符号的词,还有变异的单词。