Valid prefix
[计] 有效前缀
🧩 词语组成解析
prefix
['pri:fiks]
n. <语>前缀;人名前的称谓;前置代号（置于前面的单词或字母、数字）;
🗣️ 情景例句
I want my daddy!
我要我爸爸！
A man cannot whistle and drink at he same time.
一心不能二用。
Go on until you reach the end. You'll find the park in front of you.
一直走到尽头。公园就在前面。