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
Tech stocks are hot property.
科技股如今是抢手货。
A disease known is half cured.
病情确诊断，治病好一半。
She has been helping her husband for thirty years now.
她已经帮了她的丈夫30年了。