基本解釋[軍事學(xué)]槍栓固定卡榫英漢例句雙語例句I also find the device hard to hold when its slid open - the top edges of the keyboard area are sharp and dig into my hands and fingers.我還發(fā)現(xiàn)這手機劃開時很難手持-鍵磐上緣鋒利得像要切入我的手掌手指。hold-open device更多例句詞組短語短語door hold -open device 保持門開啓裝置hold-open device更多詞組專業(yè)釋義軍事學(xué)槍栓固定卡榫