D ring
D形环；D型钩, D型扣
🧩 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;
🗣️ 情景例句
That's entirely another story.
那完全是另外一件事情了。
The best physicians are Dr. Diet, Dr. Quiet,and Dr. Merryman.
节食博士，静心博士，欢喜博士，三者都是最好的医师；饮食少，休息好，快乐多是却病延年之方。
They also have the disadvantage of being an expensive form of transport.
飞机另一个缺点是昂贵。