The three textboxes are for entering up to three URLs.

三个文本框最多输入三个 URL。

youdao

This could be a serious problem. The shield protected the spacecraft from burning up from the extreme heat of re-entering the Earth's atmosphere.

VOA: special.2009.06.17

So on the count of three, anybody who's entering this election is going to stand up.

那么在我数到三的时候,谁想要参选就站起来

耶鲁公开课 - 博弈论课程节选

Most are motes that sparkle like fireflies as they burn up entering the atmosphere, about 100 tons worth each day.

WSJ: Asteroid to Narrowly Miss Earth Next Week

In these cases, projected costs are an average of 14% less than an entering student will wind up paying, according to a study conducted by FinAid.org, a website that provides financial-aid information.

WSJ: The New College-Cost Calculators: Are They Accurate?

Other theatrical adventures involve entering a wardrobe to find a secret room where an actor will dress you up in odd clothes, entering a 15-minute relationship or taking the chance to interrogate characters taken from the morning's newspapers about their role in the story.

BBC: A theatre play - all to yourself