Grafenberg ring
[医] 格雷芬伯格氏环(避孕环)
🧩 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
It was wet yesterday.
昨天下雨。
Poverty shows us who are our friends and who are our enemies.
贫困才能显出敌和友。
It's not as cold as it was yesterday.
今天不想昨天那么冷。