The Action is providing control in the application. The Action is part of the controller (my fifth grade teacher told me that repeating things is a good way to make people remember them).

因此，Action是控制器层的一部分(我在五年级时的老师告诉我重复一件事情是使人们记住它的一个好方法)。

youdao

This is worth repeating: the synthetic 10w-30 grade oil is based on a heavier 30 grade oil while the mineral based 10w-30 oil is based on a thinner 10 grade oil.

这是值得反复来说的：全合成10w - 30是基于100度粘度更高的30粘度级基础油，而矿物油10 W - 30是基于100度粘度更稀的10粘度级基础油。

youdao

Keuka China Programs policies governing the comprehensive grade replacement exam and repeating a course will apply.

补考将按库克中国项目补考和重修政策执行。

youdao

In countries such as Burundi or Togo, a child starting school today can expect to spend two or three years repeating a primary grade.

UNESCO: MEDIA SERVICES