Both newspapers are now exclusively available in compact form.

这两份报纸现在都以紧凑的形式独家提供。

Some species developed shells that coiled, forming a more compact and maneuverable form, like the modern nautilus.

一些物种开发出盘绕的壳，形成更紧凑和机动的形式，如现代鹦鹉螺。