Rowland ring
[化] 罗兰环
🧩 词语组成解析
n. 罗兰（男子名）
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
If you don't think it's any good, Please say so.
如果你认为写得不好，请照实说。
It took me an hour to walk there.
走到那里花了我一小时。
I was on the march.
我参加了游行。