Z parameter
[电] Z参数
🧩 词语组成解析
🗣️ 情景例句
But I have a doctor's appointment in the afternoon.
但我后天下午跟医生约好了。
What time does the train for Boston leaves?
去波士顿的火车几点开？
We must decide which one to buy.
我们必须决定要买那一台。