引力: gravitation, gravity

妹分: sworn younger sister

税務署:

Synonym of 黄昏 (tasogare, “dusk; twilight”) / Synonym of 黄昏時 (tasogaredoki, “dusk; twilight”)

retirement

one's sister regardless of age difference / one's lover or sweetheart who is the subject of marriage or is already married / (archaic, said from a female speaker) a close female companion

Indonesia

mental image, one's impression or the image that comes to mind / impression; personal image; persona; face / artist's impression

to think of (something), to picture, to conjure up

indium