n. 山脊
n. 脊;垄;棱纹;屋脊
v. 使隆起;使形成脊状
The ridges on the soles of my boots stopped me from slipping. 我靴子底上有隆起的纹路,使我没有滑倒。
BrE /əˌbriːviˈeɪʃn/