Si perdemos este autobús, tendremos que hacer otro transbordo para llegar al campus.

In Spanish, after si meaning if in a real, possible condition, you normally use the present tense, not the future.

So:

• Si perdemos este autobús... = If we miss this bus...
• ...tendremos que... = ...we’ll have to...

This is a very common pattern:

• Si tengo tiempo, voy. = If I have time, I’ll go.
• Si llegas tarde, empezamos sin ti. = If you arrive late, we’ll start without you.

Spanish does not usually say si perderemos in this kind of sentence.

Tendremos que comes from tener que + infinitive, which means to have to / must.

Here:

• tendremos = we will have
• que hacer = to do / to make

So:

• tendremos que hacer otro transbordo = we’ll have to make another transfer

It expresses obligation or necessity in the future.

Transbordo means a transfer or change of transport, especially in public transport.

In this sentence, it means changing from one bus/metro/train to another in order to continue the journey.

Common expressions:

• hacer transbordo = to transfer / change lines
• con transbordo = with a transfer
• sin transbordos = without transfers

In Spain, transbordo is very common in transport-related contexts.

This is just the normal Spanish expression: hacer un transbordo.

Even though English says make a transfer or often just transfer, Spanish typically uses hacer with the noun:

• hacer un transbordo
• hacer una parada
• hacer un cambio

So here, hacer otro transbordo literally means to make another transfer.

In Spanish, otro normally does not take un before it.

So you say:

• otro autobús
• otra vez
• otro transbordo

Not:

• un otro transbordo

This is different from English, where another already includes the idea of an + other.

Para + infinitive is a very common way to express purpose: in order to, to.

So:

• para llegar = to get / in order to get
• al campus = to the campus / to campus

The whole phrase means:

• in order to get to campus

Other examples:

• Estudio para aprender. = I study to learn.
• Salimos temprano para llegar a tiempo. = We left early to arrive on time.

Because al is the contraction of a + el.

Here, campus is being treated as a masculine noun:

• el campus

So:

• a + el campus → al campus

This contraction is required in normal Spanish:

• Voy al centro.
• Llegamos al aeropuerto.

The only common contraction of this kind is:

• a + el = al
• de + el = del

Yes. Campus is used in Spanish, especially in university contexts.

In Spain, you will hear:

• el campus
• ir al campus
• vivir cerca del campus

It is invariable in form, so the singular and plural are often the same:

• el campus
• los campus

In many contexts, it sounds completely natural.

In Spain, autobús is the standard and most neutral word.

You may also hear:

• bus in some informal contexts
• autocar for a coach/long-distance bus, depending on context

But for general everyday public transport, autobús is a very safe choice in Spain.

Also note the accent:

• autobús
• plural: autobuses

Yes. In Spanish, perder is the normal verb for to miss in the sense of not catching transport.

So:

• perder el autobús = to miss the bus
• perder el tren = to miss the train
• perder el avión = to miss the plane

Be careful: perder also means to lose, so the exact meaning depends on context.

Spanish often omits subject pronouns because the verb ending already shows who the subject is.

Here:

• perdemos = we miss
• tendremos = we will have

So there is no need to say nosotros unless you want emphasis or contrast.

You could say:

• Si nosotros perdemos este autobús...

But it sounds more natural without nosotros unless you are stressing we in contrast to someone else.

Yes, depending on what you mean.

• llegar al campus = to get to the campus
• llegar a la universidad = to get to the university

If the destination is specifically the physical campus area, campus is a good choice.
If you mean the university more generally, universidad may fit better.

In everyday speech, both can be natural, but they are not always exactly identical in meaning.

Yes. It is a very common real future condition pattern:

• Si + present tense, future tense

So:

• Si perdemos este autobús, tendremos que hacer otro transbordo.

Other examples:

• Si llueve, nos quedaremos en casa.
• Si sales ahora, llegarás a tiempo.

This structure is one of the first and most useful conditional patterns to learn in Spanish.