You can <sentenceCollectorLinkAdd>add small numbers of sentences</sentenceCollectorLinkAdd>, or you can do <bulkImportDocsLink>bulk imports using Github</bulkImportDocsLink>. Remember that sentences need to be <licenseLink>CC0 (or public domain)</licenseLink>, or you can write your own.
Gallwch <sentenceCollectorLinkAdd>ychwanegu niferoedd bach o frawddegau</sentenceCollectorLinkAdd>, neu gallwch <bulkImportDocsLink>fewnforio swmp sylweddol gan ddefnyddio Github</bulkImportDocsLink>. Cofiwch fod angen i frawddegau fod yn <licenseLink>CC0 (neu barth cyhoeddus)</licenseLink>, neu gallwch ysgrifennu rhai eich hun.