preposition
/preposition/
a function word that combines with a noun or pronoun or noun phrase to form a prepositional phrase that can have an adverbial or adjectival relation to some other word
中文释义：介词
In the phrase 'on the table', 'on' is a preposition.
在短语 'on the table' 中，'on' 是介词。
Learning how to use prepositions correctly is essential for English learners.
学习如何正确使用介词对英语学习者至关重要。