snap fastener
(also `press stud, Brit infml 英式口语作 popper), device made of two small round metal or plastic parts that are pressed together to fasten dresses, skirts, etc 子母扣儿; 摁扣儿
the press stud on the collar of his evening shirt 他晚礼服衬衫领口上的摁扣儿
the poppers on a child's pyjamas 儿童睡衣上的子母扣儿.
vt.& vi. 猛地咬住;呵斥;折断;
vt. 拍照;用子母扣扣;[棒球]快速传(球);拍…的快照;
n. (树枝等的)突然折断;严厉的话;突然的撕咬;尤指关上或断裂的声音)啪嗒声;
vi. 啪啪作响;(目光)闪耀;(牙齿等)咯咯作响;(精神)突然崩溃;
adj. 容易的;喀嗒一声扣下的;仓促的;
adv. 噼啪作响地;啪嗒一声;猛然;