这台黄色装载机正在工地上作业。

This yellow ___loader is working on a construction site.

仓库的装卸工人正在把货物装到卡车上。

The warehouse ___loader is putting the goods onto the truck.

这个加载器会在程序启动时将必要的文件读取到内存中。

The ___loader reads necessary files into memory when the program starts.