we should have celebrated the triennial anniversary of our runnig race at our high school.
Triennial means three years-- 36 months. Triannual means: occurring three times per year. How's that for unambiguous? Triannual doesn't really imply that the event described must happen exactly every 4 months-- only that it happens three times during a year.
It in symmetry with sentence a is what? What is a sentence with symmetry in it? This sentence with symmetry is symmetry with sentence this.
Who or what the sentence is about is the subject of the sentence.
The subject of a sentence is who or what that sentence is about.
yes
Triennial Convention was created in 1814.
Echigo-Tsumari Art Triennial was created in 2003.
The triennial festival was coming to town this year, as it did three years ago.
It is a triennial event. A triennial event happens three times a year.
Centennial
triennial
'triennial'
QUADENNIAL
The word is Triennial.
Triennial
tertian, tertiary, triennial, second to last
The word is triennial.