早安英文 第634期:苹果长在树上是in还是on?

Apples are ON the tree.

Birds are IN the tree.

a boy from the ghetto¹ 来自贫民窟的男孩子

（Here, the preposition from tells us the relationship between ghetto and boy.）

a bone for the dog 一根给狗吃的骨头

（Here, the preposition for tells us the relationship between dog and bone.）

A preposition precedes a noun (or a pronoun) to show the noun's (or the pronoun's) relationship to another word in the sentence.

介词是用来表示名词（或代词）和句子中其他词之间的关系的一个虚词。

表时间时：

at for a PRECISE TIME

具体的时刻点

in for MONTHS, YEARS, CENTURIES and LONG PERIODS

月，年，世纪，长的时间段

on for DAYS and DATES

日期或者星期

The appointment is at 8:30 today.

会议在8:30。

The Qing Dynasty is in 1911.

清朝在1911年。

I will see you on the 15th of October.

我10月15号见你。

表地点时：

At a Point 在具体的地点

In tells us the noun is in an enclosed space (surround or closed off on all sides). Basically, when something is inside something. 在里面

On tells us that the following noun is located on a surface. Use on when one thing is attached to or touching² something. 在上面，有接触面或者接触点

She's waiting at the entrance.

她在入口处等。

He's sitting on his chair at his desk.

他坐在桌子那里的凳子上。

I work at a bank.

我在一家银行上班。

Meet Simon at the end of the road.

在路的尽头去见Simon。

In a box 在盒子里

In a room 在一个房间里

In a country 在一个国家里

You left your glasses in the bathroom.

你把你的眼镜落在了浴室里。

On the table. 在桌子上

On the floor. 在地板上

On the chair. 在椅子上

Is that a spider on the wall?

墙上是一只蜘蛛吗？

其他：

About- A specific subject

关于

"What is that book about?"

那本书是关于什么？

By- Doing this

通过

The book was written by Jack³ Johnson.

这本书是 Jack Johnson 写的（出自他之手）

for 作用

What are chopsticks used for?

筷子是用来干嘛的？

Of- belonging or to belong - 所属关系

The Great Wall of China 中国的长城

1 ghetto   

n.少数民族聚居区，贫民区

参考例句：

• Racism and crime still flourish in the ghetto.城市贫民区的种族主义和犯罪仍然十分猖獗。
• I saw that achievement as a possible pattern for the entire ghetto.我把获得的成就看作整个黑人区可以仿效的榜样。

2 touching   

adj.动人的，使人感伤的

参考例句：

• It was a touching sight.这是一幅动人的景象。
• His letter was touching.他的信很感人。

3 jack   

n.插座，千斤顶，男人；v.抬起，提醒，扛举；n.（Jake）杰克

参考例句：

• I am looking for the headphone jack.我正在找寻头戴式耳机插孔。
• He lifted the car with a jack to change the flat tyre.他用千斤顶把车顶起来换下瘪轮胎。