關於「Thunkable 書」標籤，搜尋引擎有相關的訊息討論：

ThunkableDesign, develop and deploy your own native mobile apps with no coding needed. Bring your app idea to life with Thunkable. Sign in with Google.缺少字詞： 書? gl= twText - Thunkable DocsReturns the substring at the specified start and end position, where 1 is the first letter