Diaphragming
阻隔, 调光圈(照相)
🗣️ 情景例句
He keeps good company.
他和好人来往。
If one side fails to observe the contract,the other side is entitled to cancel it.
如果一方不履行合同协议，另一方则有权终止合同。
Wherever there is smoke, there is fire.
无风不起浪。