Interdiffusion
[机] 相互扩散
🗣️ 情景例句
The number you are calling -- 555-8448 --
你打的电话号码555 8448
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
You have to learn when to ask for help and when to ask for information.
你得学会什么时候请求帮助，什么时候打听信息。