他认为像耕作叉、铲子和茅草耙子一样的手动工具比耕作机需求更多的工作量，但工作的更好，花费的更少。

He says hand tools like tilling forks, shovels and thatching rakes require more work than a rotary tiller, but they work well and cost less.

youdao

这是一个必须有一个工具提示是可逆的，一小叉一端与一针推为另一方。

This is a must have tool with one tip that is reversible, a small fork on one end and a pin pusher on the other.

youdao

这个工具允许你写代码的浏览器，叉和修改任何代码，修正错误和增加功能，并询问您问题的社区。

This tool allows you to write code your browser, fork and modify any code, fix bugs and add features and also ask the community about your problems.

youdao

So, they developed this bifurcated tool, which would be appl--you'd put the stuff on the surface of the tool and then you'd scratch the skin in a certain way so that you could produce sort of a reproducible introduction of the vaccine into the skin.

所以他们发明了一种分为两叉的工具,把疫苗抹在这种工具表面上,然后以某种方式在皮肤上刮,这样就能将疫苗,重复不断地引入到皮下

耶鲁公开课 - 生物医学工程探索课程节选