Modern large-mouthed snakes, such as boas and anacondas, can eat large prey because their jaw joints are positioned well behind their skulls, allowing the snakes to open their mouths very wide.

现代阔口蛇，像蟒蛇和水蟒，能吃大的猎物是因为它们的颌关节恰位于头骨的后面，能使蛇的嘴张得非常宽。

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Unlike modern snakes, s. indicus lacked jaw joints that allowed it to open its mouth incredibly wide, so it relied on its large overall body size to prey on the fledgling dinosaurs.

有别于现代蛇类，Sanajeh indicus蛇不具备让它血口大张的颌骨关节，所以只能依靠其庞大身躯来猎食恐龙幼仔。

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The world number two first experienced intense pain in his joints back in June before the US Open got underway at Pebble Beach.

这个世界第二的球手第一次遭遇关节剧烈疼痛时在六月份的时候，在圆石滩美国公开赛之前。

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The triangular fabric panels are fitted together with open joints, with the lighting integrated into the panel system.

ENGADGET: Museum of The Moving Image plans multi-million dollar updates with HD, 3D

Comprised of a surface pattern of triangles-like those in the main theater, but made in this case out of 1, 067 thin aluminum panels, mounted on the support structure with open joints-the light-blue facade looks razor-sharp but creates the impression of a super-light floating skin dematerialized against the sky: another visual reference in the architecture to the infinite thinness of the moving image.

ENGADGET: Museum of The Moving Image plans multi-million dollar updates with HD, 3D

In the early days of speed-cubing the 1980s pioneers first pried open cubes, sanded corners and greased joints with globs of petroleum jelly to allow faster, smoother moves.

WSJ: One Rubik's Cube, Many Knockoffs, Quintillions of Possibilities