plate shackle平: flat; level; even; smooth钩环: shackle; looped link平钩: plain hook钩环: [设计] shackle; looped link扁平钩: flat hook下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:平钩环，即可在微信中查询翻译
