Ndac
n. 非接收到的数据
🗣️ 情景例句
Five points.
五分。
Do you usually do arithmetic on Sunday?
你通常在星期日做算术吗？
You are better now, but you mustn't get up yet. You must stay in bed for another two days.
你现在好些了，但你还不应该起床。你必须再卧床两天。