blackfin黑鳍白鲑
blackadj.黑的;不加牛奶的;很脏的;愤怒的;令人沮丧的;邪恶的;阴沉的;机密的;黑色幽默的n.黑色;黑人;黑色物v.抵制;(使)变黑
black countersunk head rivet粗制沉头铆钉
Blackburn Rivet Head machine布拉克本铆绒地毯织机
black and white picture tube黑白显像管
black liquor recovery boiler黑色液体回收沸腾炉
Black-capped Mockingthrushn.黑顶嘲鸫
Blackish small-eared shrewn.微黑小麝鼩
black shale and bedded chert硅质岩和页岩
Blacked out at the podium.在指挥台上晕倒