The salp is barrel-shaped and moves by contracting, pumping water through its gelatinous body.

樽海鞘这种生物呈筒状，通过全身收缩、排出海水来推动自己凝胶状的身体移动。

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Reinforcing ring is used to improve the anti-crushing strength of the pipeline and barrel-shaped equipment.

采取加强圈的措施来提高管线和桶体设备的抗外压强度。

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The roving Phronima sedentaria, a small crustacean, inhabits the hollowed-out bodies of dead barrel-shaped organisms called salps.

这个游动的小型甲壳纲动物名叫Phronima sedentaria，它们居住在樽海鞘的“桶状”尸体空壳中。

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To overcome all this, LeRoy Olson, an engineer at the University of Washington, devised a barrel-shaped structure of metal rings.

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Sitting on a shelf above the bar are barrel-shaped urns of the drink in an array of colours, like sweets in a candy shop.

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Tibaldi signatures include a clear ring around the barrel and a tie-shaped clip.

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