おそらく彼らは自分たちの体にこの磁力線を感じることができるのでしょう。

Sentence Analyzer

おそらく 彼ら 自分たち この 磁力線 感じる こと できる でしょう

English Translation

Perhaps they can feel the lines with their bodies.

Furigana

おそらく(かれ)らは自分(じぶん)たちの(からだ)にこの磁力線(じりょくせん)(かん)じることができるのでしょう。

Romanji

Osoraku karera wa jibuntachi no karada ni kono jiryokusen o kanjiru koto ga dekiru no deshō.

Words

恐らく (おそらく)
perhaps; likely; probably; I dare say
彼ら (かれら)
they (usually male); them
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
()
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
(からだ、しんたい、しんだい、しんてい)
body; torso; trunk; build; physique; constitution; health; corpse; dead body
()
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
此の (この)
this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)
磁力線 (じりょくせん)
line of magnetic force
()
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.
感じる (かんじる)
to feel; to sense; to experience
(こと、こん)
thing; matter; incident; occurrence; event; something serious; trouble; crisis; circumstances; situation; state of affairs; work; business; affair; after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to; nominalizing suffix; pretending to ...; playing make-believe ...; alias; aka; nickname; alternative name; also known as
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
出来る (できる)
to be able (in a position) to do; to be up to the task; to be ready; to be completed; to be made; to be built; to be good at; to be permitted (to do); to become intimate; to take up (with somebody); to grow; to be raised; to become pregnant
デス (デス)
death

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: ジ、 シ、 みずか.ら、 おの.ずから、 おの.ずと
Meaning: oneself
Readings: ブン、 フン、 ブ、 わ.ける、 わ.け、 わ.かれる、 わ.かる、 わ.かつ
Meanings: part, minute of time, segment, share, degree, one's lot, duty, understand, know, rate, 1%, chances, shaku/100
Readings: タイ、 テイ、 からだ、 かたち
Meanings: body, substance, object, reality, counter for images
Reading: 
Meanings: magnet, porcelain
Readings: リョク、 リキ、 リイ、 ちから
Meanings: power, strength, strong, strain, bear up, exert
Readings: セン、 すじ
Meanings: line, track
Reading: カン
Meanings: emotion, feeling, sensation