清

serum injection

Medicine

serum hepatitis

Medicine

serotype; serovar

Proverb

the morally upright have a hard time making friends; fish will not live in water that is (too) clean

clearing of the river water

Legend

(The Story of) Anchin & Kiyohime; The Hidaka River Legend

waiting for one hundred years for the waters of the Yellow River to clear; waiting in vain for an unlikely event; waiting for pigs to fly; when the sky falls, we shall catch larks

Company name

Kagakuoyobi Kesseiryōhou Kenkyūsho (corporate name of Kaketsuken); Chemo-Sero-Therapeutic Research Institute

serology

Chungcheongnam-do (South Korea); South Chungcheong Province

Work of art, literature, music, etc. name

Pure Rules of Huaihai (set of monastery regulations said to have been written by Baizhang Huaihai)

mouth freshener; oral deodorant

Ming and Qing-era Chinese music (as popularized in Japan before the First Sino-Japanese war)

rocket (Eruca sativa); ruccola; arugula

Organization name

Notre Dame Seishin University

immune serum

Chungcheongbuk-do (South Korea); North Chungcheong Province

to feel purified

pure and innocent; immaculate

Medicine

serum concentration

serum albumin

Medicine

total serum protein

serodiagnosis

Medicine

serum sickness