We will include this Key as an attribute of AcmeMembership, mark it as a Primary Key, and specify the strategy the Google App Engine runtime will use to populate it automatically with unique values.

我们将会将该Key作为AcmeMembership的属性添加，并将其标记为一个主键，并指定GoogleAppEngine运行时的策略，它将会自动填充上唯一的值。

youdao

But to mark the tests, they have to use an answer key sent down from the States.

不过为了给测试判分，他们使用的是从美国发来的答案。

youdao

But to mark the tests, they have to use an answer key sent down from the States.

不过为了给测试判分，他们使用的是从美国发来的答案。

youdao