becquerel

n (physics 物) SI unit of radioactivity 贝克勒尔（放射性强度的标准国际单位）.

beautifully, beautify, beauty, beauty queen, beauty salon (also beauty parlour), beauty sleep, beauty spot, beaux, beaver, bebop, becalm, becalmed, became, because, because of, beck, beckon, become, become aware of, become used to, bed, bed-linen, bed-wetting, bedaub, bedbug, bedclothes, bedding, bedeck, bedevil, bedfellow, bedlam, bedouin (also Bedouin), bedpan, bedpost, bedraggle, bedraggled, bedridden, bedrock, bedroll, bedroom,