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用于序数词前

用在序数词前表示“再一”“又一”。如：

I won’t excuse you a second time. 下一次我可不原谅你。

We suggest you do the experiment a second. 我们建议你再做一次这个试验。

Several candidates were called for a second interview. 有几个候选人被叫来作第二次面试。

Do have a second helping — there’s heaps more. 再吃一些吧——东西多着呢。

He gave her another sedative. Then a third. 他给了她另一片镇静剂，接着又给了一片。

They proposed a third formula for the new swimming pool. 他们为新游泳池提出了第3种方案。