Ring expansion
[化] 杰米扬诺夫重排; 杰米扬诺夫重排作用
🧩 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
Don't forget Susan.
别忘了Susan。
He guessed the train would come in early.
他猜想火车会很早到达。
Please give him my regards.
请代我问候他。