Multicast backbone
[计] 多路广播主干网
🧩 词语组成解析
[计] 多址通信, 多点传送
🗣️ 情景例句
He won't come until next week.
他下星期才会来。
Can you guess what I was doing this morning?
你能猜到今天上午我在做什么吗？
Spirits labelled 95 proof contain only about 47 percent alcohol.
强度标为95的酒中含47％的酒精。