Question 1

Does بستر just mean a regular bed here?

Accepted Answer

No, a bed for sleeping is تخت (takht) or رختخواب (rakht-khāb). بستر (bestar) is used for a natural foundation like a riverbed or seabed. At a B2 level, you will also frequently see it used metaphorically to mean a "platform," "context," or "breeding ground" for social or political events.

Question 2

Why is جلبک (algae) singular when the seabed is full of it?

Accepted Answer

When talking about a substance, species, or general category as an uncountable mass, Farsi uses the singular form. Because the sentence describes the ocean floor being covered in an undefined mass of algae, جلبک does not take a plural suffix.

Question 3

Is the preposition از strictly required after پر to mean "full of"?

Accepted Answer

Yes, پر (por) pairs directly with the preposition از (az) to express "full of" something. You cannot drop the از and just link the adjective and noun with an Ezafe vowel.

Question 4

This lesson teaches connectors like از این رو (hence). If I wanted to add a logical consequence to this exact sentence, where would it go?

Accepted Answer

You would place it at the start of the following independent clause. For example: بستر اقیانوس پر از جلبک است، از این رو سبز به نظر می‌رسد (The ocean seabed is full of algae, hence it looks green). It seamlessly links the two ideas.

بستر اقیانوس پر از جلبک است.

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