Once you've installed the extension, head to any video page, and then click the DownloadHelper button button (see screenshot below) to see a list of the available media to download on that page.

一旦装了扩展，访问视频页面，然后单击“Video DownloadHelper”按钮(见下方截图)，就会看到这个页面上可下载的视频列表。

youdao

He saw her jab her thumb on a red button – a panic button.

他看见她用拇指猛按了一个红色按钮–应急按钮。

《柯林斯英汉双解大词典》

Mainly use jeans button, snap button, rivet and eyelet.

大多用工字钮，四合钮，铆钉以及金属圈。

youdao

"There it goes!" he said. He swung his camera up, following the movement of the flag, and pressed the button that took the picture.

VOA: special.2010.05.31

And if you go back to here and click on Archive Notes, it is the fourth button down that will take you to something that looks like this.

如果你们回到这来，点击存档笔记，是倒数第四个,你们会看到像这样的情况。

麻省理工公开课 - 固态化学导论课程节选

I know some of you come from Europe and other parts of the world where the ground floor is rez-de-chauss?e or some silly thing like this 1 and you push a button on the elevator to one and you go up to the first floor.

我知道你们中间有些人来自欧洲,或者世界其他地方，你们那里的一楼,和地面齐平，或者像这样可笑的事情,比如你要按下电梯的按钮,然后才能上到真正的1楼。

麻省理工公开课 - 固态化学导论课程节选

On defense, you have a joystick, a button for tackling and a button for turbo.

CNN: Cyberplay: The Blitz Works!

Double click start button, you get a button that when clicked will let you take a photo.

FORBES: Apple: Live From The WWDC; OSX Lion, iOS 5; iCloud

This button is like Apple's one-touch Enhance button, except it feels more robust.

WSJ: The Digital Solution: A Photo App That Makes 'Awesome' a Verb