Subnet masks
[计] 子网掩码
🧩 词语组成解析
[计] 子网络, 分支网络
n. 遮罩, 面罩；口罩（mask的复数形式）
🗣️ 情景例句
in the past few weeks.
在最近几个星期。
I don't think it's four o'clock yet.
我认为现在还不到四点。
First, I'd like to tell you a few things about this factory.
首先，我想告诉你们有关这家工厂的一些情况。