n.拉链，滑扣...

He called the zipper a slide fastener.他把拉链叫做滑动的纽扣....

slide fastener的音标：slide fastener的英式发音音标为：[slaid 'fɑ:sənə]slide fastener的美式发音音标为：[slaɪd 'fæsnɚ]...