第一次
first num.最先；最早；第一；最高的；首要的；最重要的；第一位的；第一次；首次；初次
for the first time 第一次；从一开始
first time 首次；第一时间；第一次
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双语例句
第一次试验不太顺手是很自然的。
It is natural that the first experiment was not smoothly done.
权威词典
第一次和朋友约会你可不能失约。
You must not miss your very first appointment with your new friend.
权威词典
俩人第一次见面，就有触电的感觉。
Electric current/shock passed between them at their first meeting.
权威词典
这是她第一次在大庭广众之中唱歌。
It was the first time that she had sung in public. / It was her debut singing in public.
权威词典
部队第一次突袭便攻克了敌人阵地。
The army took the enemy positions on the first onslaught.
权威词典
她第一次来这儿，所以让我去接站。
This was her first visit here, so she asked me to meet her at the railway station.
权威词典
第一次登台讲课，难免会怯场。
It is natural to feel nervous when you give your first lecture.
权威词典
那是他平生第一次看到大海。
That was the first time he saw the sea in his life.
权威词典
第一次嘛，你少不了要紧张。
You’re bound to be nervous the first time.
权威词典
她第一次见公婆有些腼腆。
She was bashful in the presence of her parents-in-law for the first time.