1) ambulacral groove

步帶溝
2) ambulacrum
[英][,æmbjə'leikrəm] [美][,æmbjə'lekrəm]

步帶
3) ambulacral plate

步帶板
4) ambulacral pore

步帶孔
5) ambulacral system

步帶系
6) Trench
[英][trentʃ] [美][trɛntʃ]

溝
参考词条