zeal
zeal/zi:l/n.［u］热心，热情：hiszeal forprivatization他对私有化的热忱；show zeal for one's work对工作热心；their zeal in the promotion of education他们对促进教育的热情They work···
zebra
zebra/ˈzi:brə/n.(pl.加-s；集体名词不变)斑马：zebra crossing斑马线，人行横道线The lions devoured a zebra in a short time.狮子一会儿就吃掉了一匹斑马。There are several species of z···
zero
zero/ˈziərəu/ I.n.［c］&［u］(pl.zeros, zeroes)零，零点；零度：zero point 5零点五It was 5 below zero last night.昨夜温度是零下5度。‖II.adj.零的：zero growth(inflation)零增长···
zigzag
zigzag/ˈziɡzæɡ/ I.adj.(指线条、小径等)锯齿形的，之字形的，Z字形的：The lightning made a zigzag in the sky.闪电在天空划出一道Z字形。‖II.vi.弯弯曲曲地走路，曲折地前进：She walke···
zinc
zinc/ziŋk/n.［u］锌(符号Zn): zinc oxide氧化锌；aluminium zinc锌铝合金Brass is an alloy of copper and zinc.黄铜是铜和锌的合金。His body is in short of zinc.他身体缺锌。
zip/zipper
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···
zone
zone/zəun/n.［c］地区，区域：the danger zone危险地带；the cotton zone产棉区；developing zone开发区; time zones时区［辨析］与area,region和district辨见area
zoo
zoo/zu:/n.［c］动物园：Modern zoos are much better places than zoos used to be.现代动物园要比过去的好得多。The zoo has a good collection of animals.这家动物园收集了大量的动物。
zoological
zoological/ˌzəuəˈlɔdʒikəl/adj.动物的；动物学的：zoological classification动物学分类The birds were put on display at the zoological society.这些鸟类将在动物协会展出。
