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
It's nothing.
这没什么。
Thank you for showing me the way.
谢谢你告诉我怎么走。
Look out! There is a car coming.
小心，车来了。