1.In economics, this is a printable known an opportunity cost.

在经济学，这是一个被称为机会成本的打印。

2.Wilson first used a website to publish designs for a printable handgun in 2013.

威尔逊于 2013 年首次使用网站发布可打印手枪的设计。机翻

3.Instead of starting with metal, plastic, or ceramic, a 3-D printer for organs and tissues uses bioink: a printable material that contains living cells.

普通的 3D 打印机使用金属、塑料或陶瓷，而制作器官和组织的 3D 打印机使用“生物墨水”：一种含有细胞的可打印材料。

4.If the current trend of Open Source 3D printable files continues, it will not be long before everyone prints their own large objects, like furniture and weapons.

目前开源3D打印文件的趋势继续下去，用不了多久，每个人都会打印自己的大型物品，比家具和武器。