Pre-existing
[ [ˌpriˌig'zistiŋ] ]
大学 College
a. 先已存在的, 早已存在的, 业已存在的
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
existing
[ig'zistiŋ]
adj. 目前的;现存的;
v. 存在( exist的现在分词);持续存在;
🗣️ 情景例句
Kiss the dice for good luck.
为了好手气亲一下色子吧。
I'll finish working at 5:30 and get home by 6 o'clock.
我希望在5:30完成工作并且在6点钟回家。
A French physician decided to get rid of the wild rabbits on his own estate and introduced myxomatosis.
一位法国内科医生决定除掉自己庄园内的野兔子，于是引进了这种多发性粘液瘤疾病。