单词学习：rim 名词/动词
rim
/rɪm/
n. 边缘，边框；v. 形成边缘，环绕
The rim of the coffee cup was chipped, so Ms. Gu carefully avoided that side while drinking.
咖啡杯的边缘有个缺口，所以顾老师喝水时小心地避开了那一边。
单词卡片
卡片已就绪
