Expansion ring
[化] 膨胀圈; 伸缩环
🧩 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
Add a teaspoon of oil and one cup of milk.
加一茶匙油和一杯牛奶。
I'm a graduate of Yale University, I have a Doctor of philosophy degree.
我是耶鲁大学的毕业生，我有哲学博士学位。
I have them on this piece of paper. Now let me call your names. OK?
我这张纸上有你们的名字。现在我来点名。好吗？