"We're looking for concrete steps. And we take it as a positive sign that they've agreed in principle to take a couple of significant steps the opening of the Qom facility, and then working out a procedure for having their low-enriched uranium re-processed in another country.

VOA: standard.2009.10.24

There would be an opening framing device and then, of course, an end frame device.

往后又有一个框架，一个用以结尾的框架。

耶鲁公开课 - 弥尔顿课程节选

There would be an opening framing device and then, of course, an end frame device.

往后又有一个框架，一个用以结尾的框架。

耶鲁公开课 - 弥尔顿课程节选