地球の表面の５分の１は永久凍土層に覆われている。

Sentence Analyzer

English Translation

One fifth of the earth's surface is covered by permafrost.

Furigana

地球(ちきゅう)の表面(ひょうめん)の５分(ぶん)の１は永久(えいきゅう)凍土層(とうどそう)に覆(おお)われている。

Romanji

Chikyū no hyōmen no go bunno ichi wa eikyū tōdosō ni oowareteiru.

Words

地球 (ちきゅう)

the earth; the globe

の (の)

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

表面 (ひょうめん)

surface; face; outside; exterior; appearances; superficiality

五 (ご、いつ、い)

five

分の (ぶんの)

-th (e.g. one fifth)

一 (いち)

one; best; first; foremost; beginning; start; bottom string (on a shamisen, etc.)

は (は)

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

永久 (えいきゅう、とこしえ、とわ)

eternity; perpetuity; immortality; Eikyuu era (1113.7.13-1118.4.3)

に (に)

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

覆う (おおう)

to cover; to hide; to conceal; to wrap; to disguise