Dcd
[计] 数据载波检测
🗣️ 情景例句
You haven't changed a bit.
你们一点都没有变。
I don't know how to work the machine.
我不懂得怎样使这部机器运转。
Can't we visit the High Dam? I've read a lot about it; it's the biggest in the world.
我们不能去参观高坝吗？我已读了很多关于高坝的情况；它是世界上最大的。