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今回(こんかい)はE=mc2の意味(いみ)とその重要(じゅうよう)(せい)について(くわ)しく説明(せつめい)します。

This time, I will explain the meaning and significance of E=mc2 in detail.
740 words
はいこんにちはえ今回(こんかい)はE=mc2とは

はい

N5
int
yes; that is correct
int
understood; I see; OK; okay

こんにちは

N5
int
hello; good day; good afternoon(は is pronounced as わ)

N5
int
eh?; what?; oh?
int
yes; that's correct

(こん)(かい)

N4
adv, n
this time; now

N5
prt
indicates sentence topic(pronounced わ in modern Japanese)
prt
indicates contrast with another option (stated or unstated)

とは

N3
exp, prt
indicates word or phrase being defined
exp, prt
used for quoting (thoughts, speech, etc.)(indicates contrast or adds emphasis to a negative statement)
(なに)かという(はなし)をしていきたいと(おも)いますえ

(なに)かと

N4
adv
one way or another; in many ways; in various ways

いう

N3
v5u
to say; to utter; to declare
v5u
to name; to call

(はなし)をして

N4
vs-i, exp
to have a talk; to tell a story

いき

N5
v5k-s, vi
to go; to move (towards); to head (towards); to leave (for)
v5k-s, vi
to move through; to travel across; to walk along (e.g. a road)

たい

N5
suffix
want to... / would like to...

N5
prt, conj
if; when
prt, conj
and

(おも)います

N3
v5u, vt
to think; to consider; to believe; to reckon(想う has connotations of heart-felt)
v5u, vt
to think (of doing); to plan (to do)

N5
int
eh?; what?; oh?
int
yes; that's correct
おそらくこの(しき)物理(ぶつり)(もっと)有名(ゆうめい)(しき)

おそらく

N4
adv
probably; (most) likely; in all likelihood; I suspect; I dare say; I'm afraid(oft. used when predicting a negative outcome)

この

N5
adj-pn
this(something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)
adj-pn
last (couple of years, etc.); these; past; this(in ref. to a stretch of time or date)

(しき)

N1
n, n-suf
way; style; fashion; method; system; form; type
n
ceremony; rite; ritual; celebration

N5
prt
indicates sentence topic(pronounced わ in modern Japanese)
prt
indicates contrast with another option (stated or unstated)

(ぶつ)()

N2
n
laws of nature; physical laws
n
physics

N5
cop, cop-da
be; is(plain copula)

(もっと)

N4
adv
most; extremely

(ゆう)(めい)

N2
adj-na
famous
n
fame

N5
prt
don't(prohibitive; used with dictionary form verb)
prt
do(imperative (from なさい); used with -masu stem of verb)
でしょうねえつまり物理(ぶつり)のこと(まった)()

でしょう

N5
cop, cop-da
be; is(plain copula)

N5
prt
right?; isn't it?; doesn't it?; don't you?; don't you think?(at sentence end; used as a request for confirmation or agreement)
int
hey; say; listen; look; come on

N5
int
eh?; what?; oh?
int
yes; that's correct

つまり

N3
v5r, vi
to be packed (with); to be full (space, schedule, etc.)
v5r, vi
to be blocked (road, pipe, nose, etc.); to be clogged; to be plugged up

(ぶつ)()

N2
n
laws of nature; physical laws
n
physics

N5
prt
indicates possessive(occasionally ん, orig. written 乃 or 之)
prt
nominalizes verbs and adjectives

こと

N3
n
thing; matter
n
incident; occurrence; event; something serious; trouble; crisis

(まった)

N5
adj-i
complete; whole; perfect; entire
adj-i
safe

()らない

N4
v5r, vt
to know; to be aware (of); to be conscious (of); to learn (of); to find out; to discover
v5r, vt
to sense; to feel; to notice; to realize
ない(ひと)でもまこの(しき)()たことがあるとか

(にん)

N5
ctr
counter for people

でも

N5
conj
but; however; though; nevertheless; still; yet; even so; also; as well
prt
even

N5

この

N5
adj-pn
this(something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)
adj-pn
last (couple of years, etc.); these; past; this(in ref. to a stretch of time or date)

(しき)

N1
n, n-suf
way; style; fashion; method; system; form; type
n
ceremony; rite; ritual; celebration

N5
prt
indicates sentence topic(pronounced わ in modern Japanese)
prt
indicates contrast with another option (stated or unstated)

()

N3
v1, vt
to see; to look; to watch; to view; to observe
v1, vt
to examine; to look over; to assess; to check; to judge

ことがある

N4
exp, v5r-i
(for something) to have occurred; to have done (something)(after the past tense form of a verb)
v5r-i, exp
(for something) to happen on occasion

とか

N4
prt, conj
and the like; such as; among other things; and so on(oft. as ...とか...とか)
exp, prt
or something; something like; a (certain)(used to convey hearsay or uncertain information; oft. with 言う, 聞く, etc.)