UVB radiation typically affects the outer layer of skin, the epidermis, and is the primary agent responsible for sunburn.

紫外线照射通常都会对最外层的肌肤(表皮)产生影响，而表皮往往就是最先会被晒伤的部位。

youdao

To create a new device agent you would need to implement two primary functions.

为了创建新设备代理，将需要实现两个主要功能。

youdao

In building a workflow application, the primary design goals are to make sure work gets quickly from agent to agent, and to make sure that tasks don't fall through the cracks.

在构建工作流应用程序过程中，主要设计目标是确保工作能够从一个代理迅速地传入到另一个代理，并确保任务不崩溃。

youdao

Only a minority of buyers hire a "buyer's agent" whose primary responsibility is to them.

FORBES: Knowledge @Wharton