Replace existing categories
[计] 替换现有分类
🧩 词语组成解析
replace
[ri(:)'pleis]
vt. 替换;代替;把…放回原位;（用…）替换;
existing
[ig'zistiŋ]
adj. 目前的;现存的;
v. 存在( exist的现在分词);持续存在;
n. 分类；类别（category的复数）
🗣️ 情景例句
Right, fifth word.
对， 第五个字。
I know the boy whose father is a medical doctor.
我知道那个男孩的父亲是医师。
The driver gave him a few biscuits and a cup of coffee and left him just outside the city.
司机给了他几块饼干和一杯咖啡，就把他丢在了城外。