Word A Day

Вақтеро, ки Замин дар атрофи Офтоб як маротиба давр мезанад, сол меноманд.
The time it takes for the earth to go around the sun one time is called a year.
Колумб ҳамагӣ ба соҳилҳои Амрико чор маротиба экспедитсия ташкил кардааст.
Columbus all in all arranged expeditions four times to the shores of America.

Bonus:
Synonyms: бор, мартаба, дафъа, карат

Заъфарон гиёҳи шифобахши хеле қадима аст.
Saffron is an very ancient medicinal herb.
Аз заъфарон равған ҳам тайёр мекунанд.
They also make oil from saffron.

Bonus:
In Tajik, the third person plural is often used when talking about things that are normally done, so the second sentence would be better translated as “Oil is also made from saffron” or “One can also make oil from saffron”.

Here is an article about the history and medicinal benefits of saffron from tajmedun: Заъфарон

Technically, in English, saffron is a spice and not a herb.

Дар ҷангалзорҳои Тоҷикистон дарахтони арча, писта, чормағз, бодом ва ғайра мерӯянд.
In the forests of Tajikistan pine trees, pistachio, walnut, almond trees and others grow.
Имсол дар майдони Дӯстии шаҳри Душанбе арчаи чароғон гузоштанд.
This year in the Friendship square of the city of Dushanbe they have put a lighted New Year’s tree (pine tree).

Bonus:
In Tajikistan people decorate trees for New Year’s in the same way people in some countries decorate trees for Christmas. So the word “арча” in that context is translated “New Year’s Tree” in the same way “Christmas tree” is used instead of “pine tree” when talking about it in the context of decorating it for Christmas.

You can read more about Dushanbe’s large New Year’s tree here: Арчаи Солинавӣ.
You can read more about pine trees on Wikipedia: арча.