贝克勒尔 (貝克勒爾) Bèikè lēi ěr

Bèikè lēi ěr set phrase becquerel (unit of radioactivity, symbol Bq)
Domain: Modern Chinese 现代汉语 , Subdomain: , Concept:
Notes: Abbreviation to 贝克 (CC-CEDICT '貝克勒爾')