BS的中文意思、音标与词形变化

理学士 [计] 退格, 退位, 英国标准, 商用系统

n a bachelor's degree in science n aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil n originally thought to be a single vitamin but now separated into several B vitamins n a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder n a logarithmic unit of sound intensity equal to 10 decibels n (physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter n the 2nd letter of the Roman alphabet n the blood group whose red cells carry the B antigen