Translation of "Extra" in Chinese

I need an extra pillow.

我還需要一個枕頭。

Do you have an extra key?

你有多余的钥匙吗？

You need to pay extra for the batteries.

电池要额外付钱。

We won't get paid extra for doing this.

我们做这事没有额外报酬。

I always need an extra blanket in the wintertime.

冬天我总是需要多加条被子。

Do you have an extra English dictionary by any chance?

您碰巧有一本額外的英文字典嗎？

My wife's part-time job brings in a little extra money.

我太太兼職的工作賺進了一些額外的錢。

The child next door has to attend three different extra classes every month.

隔壁家的孩子每个月要参加3种补习班。

And during big events, like Super Bowl 50, there’s a ton of extra food.

而一旦到了像超级50碗这种大型活动， 就会有海量的食物剩下来

And if a cub is born, zoos pay an extra “cub tax” of $400,000.

如果幼仔出生，动物园还要额外支付“幼崽”税“400,000美元

They were lucky the game went into extra time because they ended up winning.

他们很幸运比赛进入加时赛，因为他们最终获胜。

Don't write extra information, such as the name of the author, within the sentence.

在句子中不要写入额外信息，比如作者姓名。

- Do you want me to help you?
- Do you need a hand?
- Could you use an extra pair of hands?

需要我帮忙吗？