An inside corner in which a climber can use counter-pressure on each side to climb it.

攀爬有内角的岩壁时，攀登者可以利用两侧岩面的反作用力来攀爬。也指“打开的书”地形。

youdao

Use generous radius at all corners. The inside corner radius should be a minimum of one material thickness.

在转角处大量采用圆角。圆角内部最小半径为一个壁厚。

youdao

If there is no desk or table near you, cover your face and head with your arms and crouch in an inside corner of the building.

如果附近没有写字台或桌子，用双臂护住头部、脸部，蹲伏在房间的角落。

youdao

Contrast that with Price, who can hit a gnat on the inside corner with a 98 mph fastball.

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David Graham's pass allowed Offiong to claim the ball inside the right corner of the penalty area.

BBC: Hamilton 1-0 Kilmarnock

Well, inside one particular corner of the New York Times.

NEWYORKER: Page One: Inside the New York Times