dǎqìtǒng zài xiūchēdiàn lǐ.

In Mandarin, you usually do not use 是 to say where something is located.

The pattern here is:

Thing + 在 + place

So:

打气筒在修车店里。
literally = The pump is at/in the repair shop.

Here, 在 functions as the location marker, so you do not need a separate verb like is.

A common learner mistake is trying to say something like 打气筒是... for location. That sounds wrong in Chinese. For location, use 在.

打气筒 is a compound word:

• 打气 = to pump air / inflate
• 筒 = tube, cylinder, barrel

So the literal image is something like an air-pumping tube/device. In natural English, that is simply a pump, often an air pump or bicycle pump depending on context.

Chinese often builds nouns this way: a function + an object shape/type.

修车店 breaks down like this:

• 修 = repair, fix
• 车 = vehicle; depending on context, it can mean car, bicycle, scooter, etc.
• 店 = shop, store

So 修车店 means repair shop or more literally vehicle repair shop.

In this sentence, because the object is 打气筒 (pump), many learners would naturally picture a bike repair shop or a small repair shop where you can inflate tires. But the exact type of vehicle is not always specified by 车 alone.

They do different jobs:

• 在 marks location: at / in
• 里 means inside

So:

在修车店里 = in the repair shop / inside the repair shop

You can think of it as:

• 在 introduces the location
• 里 clarifies that the object is inside that place

In many everyday sentences, 里 is optional if the meaning is already clear:

• 打气筒在修车店。
• 打气筒在修车店里。

Both are understandable, but 里 sounds a bit more explicit and natural when talking about being inside a place.

Yes. You can say:

打气筒在修车店里面。

That is also natural.

The difference is small:

• 里 = shorter, very common
• 里面 = slightly fuller or more explicit, sometimes a bit more conversational

So all of these can work:

• 在修车店里
• 在修车店里面

Both mean in/inside the repair shop.

Yes, this is a very common Mandarin pattern.

When you want to say where something is, the usual order is:

thing + 在 + place

So:

• 书在桌子上。 = The book is on the table.
• 猫在房间里。 = The cat is in the room.
• 打气筒在修车店里。 = The pump is in the repair shop.

This is different from English, where we often think in terms of The pump is in..., with is as the main verb. In Mandarin, the location phrase with 在 does the job.

Yes, and that is a very useful comparison.

1. 打气筒在修车店里。
   = The pump is in the repair shop.

2. 修车店里有打气筒。
   = There is a pump in the repair shop.

The difference is focus:

• 打气筒在修车店里 focuses on where the pump is
• 修车店里有打气筒 focuses on what exists in the shop

So both can describe a similar situation, but they are not used in exactly the same way.

Not here.

In this sentence, 打气筒 is just being used as a general noun, so no measure word is needed.

You would use a measure word when counting or specifying:

• 一个打气筒 = one pump
• 那个打气筒 = that pump

But in a simple statement like 打气筒在修车店里, the bare noun is fine.

The pinyin given is:

• 打气筒 = dǎ qì tǒng
• 在 = zài
• 修车店 = xiū chē diàn
• 里 = lǐ

Tones:

• 打 = 3rd tone
• 气 = 4th tone
• 筒 = 3rd tone
• 在 = 4th tone
• 修 = 1st tone
• 车 = 1st tone
• 店 = 4th tone
• 里 = 3rd tone

A natural rhythm is:

dǎ-qì-tǒng zài xiū-chē-diàn lǐ

One thing to remember: 车 in 修车店 is pronounced chē, not like English car. Keep the Mandarin vowel clear and short.

车 is broader than English car. It can refer to vehicles in general, and in compounds its exact meaning depends on context.

So 修车店 could mean:

• car repair shop
• bike repair shop
• general vehicle repair shop

In this sentence, because the item is a 打气筒 (pump), many people would imagine a shop related to bikes, tires, or small vehicles. But the word 车 itself does not force only the meaning car.

Yes, it is a complete and natural sentence.

Mandarin often allows very compact sentences, especially when the meaning is clear from context. This one has everything it needs:

• 打气筒 = the thing being talked about
• 在 = location marker
• 修车店里 = the place

So it is grammatically complete.

Chinese often sounds shorter than English because it does not need words like the, is, or plural endings in many cases.