late 14c., from Latin praepositionem (nominative praepositio) "a putting before, a prefixing," noun of action from past participle stem of praeponere "put before," from prae "before" (see pre-) + ponere "put, set, place" (past participle positus; see position (n.)). In grammatical use, a loan-translation of Greek prothesis, literally "a setting before."
中文解释
1. pre- + posit- + ion.2. 含义：put before. => a putting before, a prefixing.
实用例句
1. The word is compounded of a preposition and a verb.
这个词是由一个介词和一个动词复合而成的.来自《现代汉英综合大词典》
2. There is nothing in the rules of grammar to suggest that ending a sentence with a preposition is wrong.
语法规则中并没有规定句子以介词结尾是错误的。来自柯林斯例句
3. You should cancel this preposition in the sentence.
你应该删去句子中的这个介词.来自辞典例句
4. So that each preposition can stay out the emptiness to go to fill up by reader.
各介词可以留出空白以便让读者去填入.来自辞典例句
5. Preposition - like adverbial particles are a special class of words in English.
