Alka
n. (Alka)人名；(德、塞)阿尔卡\\n碱度
🗣️ 情景例句
How has your visit to Shanghai been so far?
目前你对上海的印象如何？有何收获？
Do I need a reservation for the dining car?
我需要预订餐车吗？
It's all about space and satellites.
全是有关宇宙和卫星的。