Meanings

two-body problem

binary search

binary search tree

minor local newspaper

one's second home

a samurai never goes back on his word

Twenty-Six Martyrs of Japan

petty officer (IJN, RN)

carbon sink

dual structure

two bows, two claps, and a third bow (common form of worshipping at a shrine)

two bows, two claps, and a third bow (common form of worshipping at a shrine)

two bows, two claps, and a third bow (common form of worshipping at a shrine)

two bows, two claps, and a third bow (common form of worshipping at a shrine)

Chloranthus serratus (species of flowering plant)

to be engaged in two trades at the same time

registered architect with a second-class license

two-factor authentication

two adjoining rooms (connected by a sliding door)

double penetration