Alca
n. (Alca)人名；(法)阿尔卡\\nabbr. 异常左冠状动脉（anomalous left coronary artery）
🗣️ 情景例句
The only-child generation brings about many new social problems.
独生子女一代带来了许多新的社会问题。
I'd like to try on these hats.
我想试试这些帽子。
How are you?
你好吗？