Ring system
[机] 环系
🧩 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
We'll open a letter of credit if you promise to effect shipment one month earlier.
如果你方答应提前一个月交货，我们就同意开信用证。
Keep your eyes wide open before marriage, and half shut afterwards.
婚前张开眼，婚后半闭月。
Annie considered this was just the kind of demanding job she wanted.
安妮认为，这正是她想要的难度很大的工作。