春秋: The Spring and Autumn Annals, the chronicles of the ancient State of Lu

春秋: spring and autumn; (metonymically) a year; (by extension) one's age

偕老: growing old together / 貝楼: / 回廊, 廻廊: corridor; cloister / 戒﨟, 戒臘: / 海老: lobster, prawn, shrimp / 海楼: / 皆労:

(archaic) second-person personal pronoun: you

語源学: etymology (study of the historical development of languages, particularly of individual words)

言語学: linguistics - study of language.

改善: to improve

a raw, uncooked state / Short for 生ビール (“draft beer”).

瞬間: moment, instant

(computing) computational linguistics