第一用英语说是first，读音：英 [fɜːst]，美 [fɜːrst]。
例句：
1、那一刻她第一次感到一阵焦虑。
At that moment she felt the first twitch of anxiety.
2、那是她第一次独立生活。
It was the first time that she had lived independently.
3、把光标置于第一个单词的左边。
Place the cursor to the left of the first word.
4、马克得扶养他第一次婚姻生的两个孩子。
Mark has two children to support from his first marriage.
5、计划的第一部分已顺利完成。
The first part of the plan has been safely accomplished.
