Retaining ring
[机] 扣环
🧩 词语组成解析
n. 保留, 保持, 维持防护\\nv. 保持( retain的现在分词 ); 拦住; 保存; 止住
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
Perhaps they'll show up. In the meantime,
也许他们会露面。在这等待期间
Keep your mouth shut and your eyes open.
要多看少说。
You can say that again.
我同意。