要保证所有东西都在背景上面被渲染，就需要在渲染其他精灵之前立即渲染背景。

To make sure everything is rendered on top of the background, you draw it immediately before rendering the rest of the game sprites.

youdao

浏览器直接加载运行代码，所以它可以立即渲染该应用，而不用等应用完成首次编译。

The browser loads executable code so it can render the application immediately, without waiting to compile the app first.

youdao

这可以立即减少占用的带宽，并可能产生更快的渲染。

This will immediately reduce the amount of bandwidth needed and may in turn result is faster rendering.

youdao

所以在设置完场景之后，我立即点击了渲染按钮。

So, after setting up the scene, I immediately hit the render button, and this is what will pop up.

youdao

所以在设置完场景之后，我立即点击了渲染按钮。

So, after setting up the scene, I immediately hit the render button, and this is what will pop up.

youdao