You use initial to describe something that happens at the beginning of a process.
The initial reaction has been excellent.
最初的反应极好。
The aim of this initial meeting is to clarify the issues.
初次会议的目的是澄清一些问题。
initials
Initials are the capital letters that begin each word of a name. For example, if your full name is Michael Dennis Stocks, your initials are M.D.S.
a silver Porsche with her initials JB on the side.
一辆银色保时捷汽车,侧面有她的姓名首字母JB。
initials , initialling , initialled
If someone initials an official document, they write their initials on it, to show that they have seen it or that they accept or agree with it.
Would you mind initialling this voucher?
请您在这张单子上签上姓名的首字母,好吗?