Calotype
碘化银纸照相法
🗣️ 情景例句
But at my age,
但是，像我这般年纪，
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。
Where's my skirt, mother? Do you know?
妈妈，你知道我的衬衫在哪吗？