Slotted ring
[计] 开槽环
🧩 词语组成解析
a. 有沟槽的；有裂痕的
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
🗣️ 情景例句
Are they always that difficult to make?
领结这样难打吗？
Once a knave,ever a knave.
一次成无赖，永远是无赖。
Boxing matches were very popular in England two hundred years ago.
两百年前，拳击比赛在英国非常盛行。