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
Listen up.
听着。
Have they developed a new method of transportation yet?
他们已经开发了新的运输方法了吗？
That was quick! she said. Have you finished already?
“你真快！”她说，“你已经买完东西了吗？”