Watch a lecture, technical explanation, or video about your interests. Explore its available captions, understand unfamiliar wording, and use useful expressions to talk or write about the ideas.
Public materials open without sign-up. To use your own material, sign in or create an account, then add it to a project. Saving expressions, conversation, and writing also need an account.

We're looking for some hammerhead
sharks. Have you seen them?
Use the captions to revisit a phrase, check its meaning, and return to the video. Keep expressions you want to use beyond this one source.
Read or watch at your own pace. Keep the expressions you need, then use them when you have something to say.
Open a public video or sign in and add a YouTube link to your project.
Explore the caption text and save wording you find useful.
Discuss the main point with an AI partner or put it into a written response.
Alongside your material
From recognition to use
Discuss the world of King Arthur

King Arthur and the Knights of the Round Table
What makes the stories of King Arthur memorable? Describe the world evoked in the introduction.
The introduction takes us back to the days of chivalry.
Merlin's magic and the wonderful deeds of Arthur's knights make this world vivid.
Their Quest for the Holy Grail gives the stories a sense of adventure.
The language tools need available captions. Videos without captions cannot provide text for these tools.
The text tools use captions. Choose a video with available captions to explore passages and expressions.
Public videos open without sign-up. An account is needed to add your own video, save expressions, or use conversation and writing tools.