课后课程

50,236 87%

要观看视频，您需要在浏览器中启用 Javascript

▲

Volume up

▼

Volume down

◀

▶

Leap 10 sec. Shift pressed - 20 sec

space

Play / Pause

Shift + S

On / Off slowmo

Go from 0% to 90% length of video

Show / Hide overlay menu

Mute / Unmute

Home

To the start of video

End

To the end of video

Open google in new tab (Boss mode)

Fullscreen

00:00/16:17

Image preview

Autostart

Faster streaming (Recommended)

Turn off if you see the green screen

Report issue

Back Off German (auto-generated) English (original) Spanish (auto-generated) French (auto-generated) Hindi (auto-generated) Hindustani (auto-generated) Italian (auto-generated) Portuguese (auto-generated) Russian (auto-generated) Turkish (auto-generated)