current, this, the matter in question / original, actual, base

long cylindrical things such as glasses of drink, pairs of jeans, pens or trains and buses / films or TV shows / home runs or goals / rounds of a match in boxing, wrestling or judo

Alternative form of 元

book / this / main / real / actual / true

固有関数: eigenfunction

let's see; what have we got here

which (of three or more) / which one /

Nothing

what

閑談: / 歓談: