单词学习：zip up 动词短语
zip up
/zɪp ʌp/
拉上拉链；使更有趣或令人兴奋
Before going out, Gu Laoshi reminded everyone to zip up their jackets because it was cold outside.
出门前，顾老师提醒大家拉上夹克的拉链，因为外面很冷。
单词卡片
卡片已就绪
