There were only two rings of rope spooled on the drum.

只有两圈绳子绕在卷轴上。

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And may these two rings symbolize the spirit of undying love in the hearts of both of them.

愿这两枚戒指象征着永恒的爱情，象征着两心相属。

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A number of designs use two rings of stubby, counter-rotating blades made from composite materials.

有许多设计采用了两圈短而粗的、反向对转的采用复合材料制作的叶片。

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There's two rings around the barrel, with the first serving as a zoom toggle and the second used as a shutter release.

ENGADGET

Dallas went for defensive end Jim Jeffcoat, who lasted 12 seasons with the team, including five with 10-or-more quarterback sacks, and won two rings.

FORBES: The Draft That Almost Wrecked The NFL

One way to increase the efficiency of a high-bypass jet engine is to turn the fan into an open rotor, a bit like returning to propellers, but using two rings of stubby counter-rotating blades.

ECONOMIST: A new way to build a greener jet engine