因此，我能够迭代项目并打印其名称，在本例中，我应该只收到一个项目。

Thus, I am able to iterate over the items and print their names, and in this case I should only receive one item back.

youdao

grep 的默认行为是在指定多个文件的情况下打印从其中找到匹配项的那个文件名称。

The default behavior of grep is to print the file name in which a match was found only if multiple files were specified.

youdao

您也许还记得，我提供了一个简单的HelloHandler，它可以在每一次调用回调方法的时候打印方法的名称。

You might recall that I supplied you with a simple HelloHandler that printed out the name of a callback method each time the method was called.

youdao