この授業はとても重要だ。

この授業はとても重要だ。

This subject is the most important.

この授業(じゅぎょう)はとても重要(じゅうよう)だ。

Kono jugyō wa totemo jūyō da.

此の (この)

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

授業 (じゅぎょう)

lesson; class work; teaching; instruction

は (は)

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

迚も (とても、とっても)

very; awfully; exceedingly; (not) at all; by no means; simply (cannot)

重要 (じゅうよう)

important; momentous; essential; principal; major

だ (だ)

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

Readings: ジュ、さず.ける、さず.かる

Meanings: impart, instruct, grant, confer

Readings: ギョウ、ゴウ、わざ

Meanings: business, vocation, arts, performance

Readings: ジュウ、チョウ、え、おも.い、おも.り、おも.なう、かさ.ねる、かさ.なる、おも

Meanings: heavy, heap up, pile up, nest of boxes, -fold

Readings: ヨウ、い.る、かなめ

Meanings: need, main point, essence, pivot, key to