Ring valve
[化] 环形阀; 环状阀
🧩 词语组成解析
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;
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
and wrote to his wife Martha.
给他妻子Martha写信。
The stations are always full of people.
火车站里经常挤满了人。
Dear Abby,
亲爱的Abby，