Alka
n. (Alka)人名；(德、塞)阿尔卡\\n碱度
🗣️ 情景例句
How are you?
你好吗？
I usually go to bed at about midnight.
我通常在大约半夜睡觉。
You forget to write down the date of your departure.
您忘了写离店日期了。