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Question 问：
What is a prepositional phrase?
什么是介词短语?
Answer 答：
A prepositional phrase is a group of words that begins with a preposition and ends with a noun, pronoun, or noun phrase (this noun, pronoun, or noun phrase is the object of the preposition).
介词短语是以介词开头，以名词、代词或名词短语结尾的一组单词(这个名词、代词或名词短语是介词的宾语)。
Prepositional phrases modify or describe nouns, pronouns, adjectives, adverbs, and verbs. They say something about the relationship between their object and the word they describe/modify. Prepositional phrases can tell us when [time] or where [location] something is or something happened. They can tell us the direction something is or is moving/going. They can tell us something about the word or words they describe.
介词短语修饰或描述名词、代词、形容词、副词和动词。他们说一些关于他们的物体和他们所描述/修饰的单词之间的关系。介词短语可以告诉我们某事发生的时间或地点。它们可以告诉我们某物正在移动的方向。他们可以告诉我们关于他们描述的单词的一些事情。
In the phrase "the girl with the long hair" the prepositional phrase is "with the long hair." It tells us something about "the girl."
在短语“长头发的女孩”中，介词短语是“长头发的”。它告诉我们关于那个女孩的一些事情。
In the phrase "the book on the table" the prepositional phrase is "on the table." It tells us the location of "the book."
在短语“在桌子上的那本书”中，介词短语是“在桌子上”。它告诉我们"那本书"的位置。
In the sentence "I run in the morning" the prepositional phrase is "in the morning" and it modifies the verb "run" [it tells us when I run].
在“我在早上跑步”这句话中，介词短语是“在早上”，它修饰动词“跑步”(它告诉我们我什么时候跑步)。
In the sentence "the keys are under the table" the prepositional phrase "under the table" tells us where they keys are.
在句子“钥匙在桌子下面”中，介词短语“在桌子下面”告诉我们钥匙在哪里。
In the sentence "the play starts at five o'clock" the prepositional phrase "at five o'clock" tells us when the play starts."
在句子“话剧在五点钟开始”中，介词短语“在五点钟”告诉我们戏剧什么时候开始。
In the phrase "the keys to the house" the prepositional phrase "to the house" tells us about the keys [it tells us which keys they are/what the keys are for].
在短语“房子的钥匙”中，介词短语“房子的”告诉我们关于钥匙的信息[它告诉我们它们是什么钥匙/这些钥匙是做什么的]。
In the sentence "she looked around the living room for the cat" the prepositional phrase "around the living room" tells us where she looked" and the prepositional phrase "for the cat" tells us why she looked.
句子中的“她在客厅里四处寻找那只猫”的介词短语“在客厅里”告诉我们,她看上去和介词短语“那只猫”告诉我们为什么她看。
Below are more sentences with their prepositional phrases in italics and the word the prepositional phrase describes in bold:
下面是更多介词短语用斜体表示，介词短语描述的单词用粗体表示的句子:
· I left the house before noon.
· 我在中午之前离开了家。
· He walked through the park.
· 他步行穿过公园。
· She sat beneath the tree.
· 她坐在树下。
· The dog under the bed was scared.
· 床下的狗被吓坏了。
· She lost the book with the red cover.
· 她丢了那本红色封面的书。
· They loved the gift from their cousin.
· 他们很喜欢表弟送的礼物。
· We watched the people from afar.
· 我们从远处观察人们。
· The teen slept until 1 pm.
· 这个少年一直睡到下午1点。
一些常见的介词Some common prepositions are above, across, after, against, along, among, around, at, before, behind, below, beneath, beside, between, by, for, from, in, inside, into, near, of, off, on, on top of, onto, outside, over, past, through, to, toward, under, until, up, upon, with, within, and without.
Look up each of these words at https://www.britannica.com/dictionary to see their meanings and examples of how they are used.
在https://www.britannica.com/dictionary上查询这些单词，看看它们的意思和用法。
