the first snow (of the winter season)

development or exploitation of natural resources etc. / development or creation of new technology, drugs, or products / development or cultivation of talent or ability

to develop or exploit resources / to develop or create new products or fields / to cultivate talent or ability

to generate power

Kyūjitai form of 発明 (“invention”)

Kyūjitai form of 発明 (“to invent”)

recurrence

recur

accusation; complaint (that someone has done something wrong) / indictment; prosecution (of someone for a crime)

charge, indict