Arcus juvenilis
[医] 青年角膜弓
🧩 词语组成解析
[医] 弓
🗣️ 情景例句
The game was put off due to heavy rain.
由于下大雨，比赛延迟了。
So far I have been learning about China.
到止前我止，我一直都在研究中国的事情。
You are just saying that.
你只是说说而已。