长得好像一副单片眼镜。

Это просто монокль.

语素一种含有一个单词的有意义的语言单位，如人或一词素，如－ed

A meaningful linguistic unit consisting of a word, such as man, or a word element, such as-ed in walked, that cannot be divided into smaller meaningful parts.

异体在形式上只是轻微地不同于其它的东西，如同一单词的不同拼写或发音

Something that differs in form only slightly from something else, as a different spelling or pronunciation of the same word.

语助词一个单词代替或提前指代某一后面的词或短语。在句子有许多书在桌子上中，单词there

A word that stands in place of and anticipates a following word or phrase. In the sentence There are many books on the table, the word there functions as an expletive.