It looks like a triangle, because a thick line was used.

它看起来像一个三角形，因为用了粗线条。

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"We now draw a thick line under the Bundesliga season and see now if all the players are fit for the final, " Klopp told AFP after the defeat.

CNN: SHARE THIS

She divided the label into two parts, separated by a thick black line, and placed the critical information, such as the name and dosage of the medication, at the top, with everything else relegated to the bottom.

WSJ: When Simplicity Is the Solution

Bowling around the wicket to Clarke, the off-spinner's delivery held its line outside the off stump and a thick outside edge flew into the hands of Andrew Strauss at second slip, further compounding Australia's vice-captain's miserable series.

BBC: England close in on Ashes victory in Melbourne