Unicast
[计] 单一传播
🗣️ 情景例句
John proposed marriage to Helen.
绚翰向沦论求婚。
The room is always a mess after the children have been playing in here.
儿童玩过之后的房间，通常都是乱糟糟的。
Our shipping manager is looking into it.
我们的货运经理正在调查这件事。