Landolt ring
[医] 朗多耳氏环
🧩 词语组成解析
[人名] 兰多尔特
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
Paper or plastic?
现金还是信用卡？
In university, students are trained to become doctors and nurses.
大学的学生被训练成为医生和护士。
with their fellow scientists either in other countries or in universities,
和其他国家、其他大学同行们