Subcarrier
[电] 副载波
🗣️ 情景例句
What did I do with the rings?
我把戒指放哪儿了？
Man's best plans often miscrarry.
神机妙算，常常失算。
The fax has greatly changed office work, especially in China.
特别是在中国，传真机大大地改变了办公室的工作。