人類が環境を保護しなければ環境から人類は締め出されるだろう。

Sentence Analyzer

English Translation

If mankind doesn't take care of the environment, the environment may eliminate mankind.

Furigana

人類(じんるい)が環境(かんきょう)を保護(ほご)しなければ環境(かんきょう)から人類(じんるい)は締(し)め出(だ)されるだろう。

Romanji

Jinrui ga kankyō o hogoshinakereba kankyō kara jinrui wa shimedasareru darou.

Words

人類 (じんるい)

mankind; humanity

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

環境 (かんきょう)

environment; circumstance

を (を)

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

保護 (ほご、ほうご)

care; protection; shelter; safeguard; guardianship; favor; favour; patronage

から (から)

from (e.g. time, place, numerical quantity); since; from (originator); by; because; since; out of (constituent, part); through (e.g. window, vestibule); after; since

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

締め出す (しめだす)

to shut out; to bar; to lock out; to exclude

だ (だ)

be; is; indicates past or completed action; indicates light imperative