龙队只有一次射门。

The Dragons had only one shot on goal.

《柯林斯英汉双解大词典》

他只有一次射门在门框内。

He had only one shot at goal.

《柯林斯英汉双解大词典》

当你在买这些东西上省钱时，每个折扣只有一次使用机会。

When you save money on these purchases, each discount only happens once.

youdao

It ultimately evaluates that line of code but just once the stuff inside the curly braces, but the semicolon on the end, essentially has the effect of this.

它最终执行了那行代码,但是只有一次，当那个东西在花括号里，分号放在后面，本质上影响了这个循环。

哈佛公开课 - 计算机科学课程节选

And then other people are really excited because it's a once-in-a-lifetime opportunity

而另外一些人真的很兴奋，因为这是一个一生只有一次的机会，

正准备奥运会 - SpeakingMax英语口语达人

A couple of hours, because typically there's just one battle; one side beats the other and that's the war for now.

几个小时,一般来说只有一次战斗,一方攻打另一方,这就是战争

耶鲁公开课 - 古希腊历史简介课程节选