ball latch [土木建築工程]碰球ball knob 球狀捏手ball kersantite [地球科學]球狀雲(yún)斜煌巖ball journal bearing [商業(yè)]球頸軸承ball joint-lower [交通運輸工程]下球頭ball joint micromanipulator [毉葯科學]球關(guān)節(jié)顯微操作器ball joint manipulator [物理學]球承機械手ball joint drive [能源科學技術(shù)]球節(jié)式裝置ball joint [機] 球形接頭；球窩接頭ball it up 過放蕩生活ball insulator 球形絕緣子ball in hand 手中球ball ice 冰球；浮冰球；冰彈ball hydrant [琯理學]球形消防栓ball holder 滾珠軸承隔離圈ball hockey ball head 球頭軸 球頭ball hawk [躰育]善接騰空球的外野手(善接球、截球等的)爭球能手，得心應手的球員積極拼搶的防守隊員ball hardness number [交通運輸工程]鋼球硬度數(shù)[地球科學]鋼球硬度數(shù)ball handling 控制球；運球