If you have a triangle shaped face, this means that you have a pointy chin.

如果你有一张三角型的脸，这意味着你有一个尖下巴。

youdao

It has a long neck, a wooden triangle-shaped body and strings.

它的琴颈很长，有一个木制的三角形琴身还有一些琴弦。

youdao

The sacrum is the bone that is shaped like an upside-down triangle at the base of the spine.

骶骨位于脊椎底端，是一个向上的三角形。

youdao

For example,he created a triangle-shaped walkway of steps that sits inside a rounded concrete shell.

VOA: special.2009.12.13

They plan to design one shaped like a triangle for pure crack climbing and another with less downturn for more slabby conditions.

FORBES: Design A New Foot If The Shoe Does Not Fit -- Laser Sintering a Prosthetic Leg

The latter will consist of three free-standing units a square glass pavilion (as a workroom for the sculptor's poet wife), a tall triangle of recycled steel (forming the sculptor's studio) and an arc-shaped monolith of untreated wood, whose patina will turn grey with age (for the couple's house).

ECONOMIST: Building design