Select the Polygonal Lasso Tool (l) and create a triangular shape -holding down the Shift key whilst making the triangle will ensure each side is perfectly straight.

使用多边形套索工具(L)按住shift，创建一个三角形，以保证每条线都是直的。

youdao

I had already been thinking of moving to L. A. because I thought the move would help me shift away from all the musicals I was doing.

我早就想去洛杉矶了，因为我觉得这有助于摆脱那些我过去一直在做的音乐剧。

youdao

The sharpened focus of the Securities and Exchange Commission under Chairman Mary L. Schapiro may well be the single most important shift in the corporate governance landscape this year.

FORBES: The SEC At A Crossroads

The hard-edged, almost hyperreal cinematography, by Conrad L. Hall, and the editing, by Tariq Anwar and Chris Greenbury, shift back and forth between dream and actuality with mesmerizing beauty.

NEWYORKER: American Beauty