Dcb
[计] 数据和控制总线, 数据控制块
🗣️ 情景例句
Are you ready to make a ten-percent down payment? Payments over 30 years?
你能支付 10% 的首期房款吗？三十年按揭吗？
I'll see if she's in.
我去看看她在不在。
It has to be tall because it is like a giant block and tackle,
井架必须很高，因为它像一个巨型滑轮组。