Used when something comes to mind: to recall / Used to express agreement: yeah, of course

(chiefly in the negative) so much; so often; so long; particularly; especially

whether or not

What's up?; what's the matter?; what's wrong?; what happened?; what's the problem?

豌豆: green peas / 沿道: route / 煙道: flue / 延道: tunnel

遠藤: a surname

覇道: ways to rule

同位体: an isotope

how about doing ~

whether or not