os

• Article

  masculine plural of o

• Pron
• Noun

estão

third-person plural present indicative of estar

expostos

• Adj

  masculine plural of exposto

• Noun
• Verb

em

1. in; inside; within (contained by)
2. on; on top of (located just above the surface of)
3. in; at (located in a location)
4. in (part of; a member of)
5. in; into; inside (towards the inside of)
6. indicates the target of an action
7. in (pertaining to the particular thing)
8. in (immediately after a period of time)
9. in; during (within a period of time)
10. at; in (in a state of)
11. in (indicates means, medium, format, genre or instrumentality)
12. in (indicates a language, script, tone etc. of writing, speaking etc.)
13. in (wearing)
14. (slang) indicates that the object deserves a given punishment

nossa

• Det

  feminine singular of nosso

• Pron
• Intj

sala

1. room (division in a building)
2. living room (room in a house for general social and leisure activities)
3. Ellipsis of sala de aula (“classroom”).

de

1. of (in relation to)
2. of (in relation to)
3. of (in relation to)
4. of (in relation to)
5. of (in relation to)
6. of (in relation to)
7. of (in relation to)
8. of (in relation to)
9. of (in relation to)
10. of; -en (made or consisting of)
11. of; -en (made or consisting of)
12. of; -en (made or consisting of)
13. of; -en (made or consisting of)
14. of (introduces the noun that applies a given adjective or past participle)
15. from (born in or coming out of)
16. by means of; by
17. as (in the role of)
18. in (wearing)

exposições

plural of exposição