她是个出色的多任务处理者，能同时照顾孩子、做饭和接听工作电话。

She's an excellent ___multitasker who can take care of the kids, cook dinner, and answer work calls all at once.

这款智能手机是个真正的多任务处理器，可以同时运行多个应用程序而不会卡顿。

This smartphone is a real ___multitasker, running multiple apps simultaneously without lagging.