B 开头单词

boris ryzhy

boris podolsky

boris mikhailov

boris henry

boris groys

boris fyodorovich godunov

boris derichebourg

boris cyrulnik

boris n. (Boris) （俄、美、克）鲍里斯（人名）

borio

borinic acid 二烃基硼酸

borings 钻孔碎屑,金属切屑

boringness adj.令人厌烦的；乏味的

boringly adj.令人厌烦的；乏味的

boring-rolling 镗滚

boring-machine 镗床

boring-core 岩心

boring-bar 镗杆

boring work 镗孔工作

boring with sampling [能源科学技术]钻探取样