initial

柯林斯词典

AM sometimes initialing, initialed

1. ADJ You use initial to describe something that happens at the beginning of a process. 最初的[ADJ n]
The initial reaction has been excellent. 最初的反应极好。
2. N-COUNT 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. (姓名的) 大写首字母
...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。
3. V-T 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. 签姓名的首字母于
Would you mind initialling this voucher?
请您在这张单子上签上姓名的首字母，好吗？

The initial earthquake was followed by a series of aftershocks .
The doctor has made an initial diagnosis , but there'll be an additional examination by a specialist .
The project is only in the initial phase as yet , but it's looking quite promising .
As the plot unfolds , you gradually realize that all your initial assumptions were wrong .
The final technical report into the accident reinforces the findings of initial investigations .