结膜通常保持完整,但是结膜下出血可造成环状血性水肿(如图所示)。
The conjunctiva often remains intact, but subconjunctival bleeding can produce circumferential bloody chemosis (shown).
一侧有弹簧门的金属环状物(通常为铝),用于连接攀登系统的各部分。
Metal loop (usually aluminum) with a spring-loaded gate on one side used for connecting various parts of a climbing system.
一片通常为环状的,用作存储器的。
A piece of material, usually toroidal in shape, used for storage.
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