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積木(つみき)(よこ)にずらす実験(じっけん)(つう)じて、重心(じゅうしん)調和(ちょうわ)級数(きゅうすう)関係(かんけい)説明(せつめい)しています。

The video explains the relationship between the center of gravity and harmonic series through an experiment of shifting blocks sideways.
436 words
はいこんにちはえ今回(こんかい)積木(つみき)(よこ)にずらす

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)

(つみ)()

N4
n
wooden building blocks; wooden bricks; playing with building blocks
n
piled timber; piling up wood

N5
prt
indicates direct object of action
prt
indicates subject of causative expression

(よこ)

N5
n
horizontal (as opposed to vertical); lying down
n
side-to-side (as opposed to front-to-back); width; breadth

N5
prt
at (place, time); in; on; during
prt
to (direction, state); toward; into

ずらす

N3
v5r, vi
to slide; to slip off; to get dislocated
vt, v5r
to drag; to pull
問題(もんだい)(はなし)をしていきたいと(おも)いますえまず

(もん)(だい)

N5
n
question (e.g. on a test); problem
n
problem (e.g. societal, political); question; issue; subject (e.g. of research); case; matter

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

(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

まず

N4
adv
first (of all); firstly; to begin with; before anything else
adv
probably; most likely; almost certainly; virtually
これがどんな問題(もんだい)かお(はな)ししていき

これ

N5
pn
this; this one(indicating an item near the speaker, the action of the speaker, or the current topic)
pn
this person(usu. indicating someone in one's in-group)

N5
prt
indicates sentence subject (occasionally object)
prt
indicates possessive (esp. in literary expressions)

どんな

N4
adj-pn
what kind of; what sort of; what
adj-pn
no matter what (kind of); whatever; any; all(as どんな...でも, どんな...も, etc.)

(もん)(だい)

N5
n
question (e.g. on a test); problem
n
problem (e.g. societal, political); question; issue; subject (e.g. of research); case; matter

N5
prt
indicates a question(at sentence end)
prt
or; whether or not(after each alternative)

(はな)

N4
n
story; tale
n
talk; discussion

して

N2
vs-i
to do; to carry out; to perform
vs-i
to cause to become; to make (into); to turn (into)

いきましょう

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)
ましょうえ(いま)ここに均質(きんしつ)(まった)(おな)じつきを

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

(いま)

N4
n, adj-no, adv
now; the present time; just now; soon; immediately
adv
another; more

ここ

N5
pn
here; this place
pn
this point; here; now

N5
prt
at (place, time); in; on; during
prt
to (direction, state); toward; into

(きん)(しつ)

N2
n, adj-no, adj-na
homogeneous; homogeneity

N5
prt
don't(prohibitive; used with dictionary form verb)
prt
do(imperative (from なさい); used with -masu stem of verb)

(まった)

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

(おな)

N4
adj-f, n
same; identical; equal; uniform; equivalent; similar; common (origin); changeless; alike
adv
anyway; anyhow; in either case(usu. part of a 'nara' conditional)

つき

N5
v5k, vi
to be attached; to be connected with; to adhere; to stick; to cling
v5k, vi
to remain imprinted; to scar; to stain; to dye

N5
prt
indicates direct object of action
prt
indicates subject of causative expression
いくつか準備(じゅんび)してますそしてこのつきを

いくつか

N3
adj-no
(a) few; some; several

(じゅん)()

N3
vt, vs, n
preparation; arrangements; getting ready; provision; setup; reserving

して

N2
vs-i
to do; to carry out; to perform
vs-i
to cause to become; to make (into); to turn (into)

います

N5
suffix
indicates continuing action (to be ...ing)

そして

N3
conj
and; and then; thus; and now; and finally

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)

つき

N5
v5k, vi
to be attached; to be connected with; to adhere; to stick; to cling
v5k, vi
to remain imprinted; to scar; to stain; to dye

N5
prt
indicates direct object of action
prt
indicates subject of causative expression