side_gate_system_有道手机词典

1.Metal loop (usually aluminum) with a spring-loaded gate on one side used for connecting various parts of a climbing system.
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。
dict.yoduao.com
2.Metal loop with a spring-loaded gate on one side used for connecting various parts of a climbing system.
一侧有弹簧门的金属环状物，用于连接攀登系统的各部分。
dict.yoduao.com