zip /zip/ I. n. ［c］1.拉链 (=zip fastener)：metal(plastic)zip金属（塑料）拉链；open, pull (down), slide (down), undo the zip 来开，拉下拉链 I can’t open my bag - the zip has stuck. 我的包打不开，拉链卡住了。2.尖啸声：We heard the zip of a bullet.我们听到了子弹的尖叫声。‖II. vi.1. 拉开或扣上拉链： Please help me to zip my dress on.请帮我拉上衣服拉链。zip up拉上拉链：Zip up your bag. 拉上提包的拉链。He zipped himself up.他拉上外套拉链。Zip up your jacket--it's cold.把上衣的拉链拉上，天气冷。（cf. zip off拉开拉链）2.飕飕飞驶:The bullet zipped through the air.子弹从空中嘘嘘地飞过。
zipper /ˈzipə/ I. n. ［c］ (AmE = zip) 拉链：The zipper is red. 这条拉链是红色的。II. vt.&vi.用拉链扣上，装上拉链；拉上拉链：He wore a running suit zippered up tight.他穿着一套运动服，拉链扣得紧紧的。
