Is a period a countable noun?

First, pronunciation: English? 【‘p？ ri？ d]； Beautiful? 【‘p？ ri？ d】？ ?

Second, significance: n. temporary; Period; Period; Class hours; Class hours; Period; menses

Third, vocabulary usage/collocation:

1 and period basically mean "a period of time", which are countable nouns, and the plural form is periods.

2. Period can be interpreted as "period and era", which refers to a certain historical stage or period; It can also be used as a solution for "class hours, class hours"; It can also be used to explain "menstruation (period)"

In American English, period means "period, period", which is equivalent to that in British English.

Extended data:

Synonym: age

I. Significance:

Noun (short for noun)? Age; Times; Period; long-term

Verb (short for verb)? (make) old; (cause) to age.

Second, pronunciation: English? 【e？ d？ ]; Beautiful? 【e？ d？ ]? ?

Third, examples:

The child is at an impressionable age.

The child is at an impressionable age.

Fourth, vocabulary usage/collocation:

1, age basically means "age", "age" and can also mean "time is long". Age can also refer to the historical era with some remarkable characteristics or named after outstanding people, and it also refers to the "era" in geology and archaeology.

2.age stands for "age", which can be a countable noun or an uncountable noun, representing "times". Is a countable noun, mostly used in singular form, starting with a capital letter.