Photohalida
[机] 感光性卤化物
🗣️ 情景例句
Being a mother is not easy,
当一个母亲真不容易，
He has bought 10 tractors for the village.
他为村里买了10台拖拉机。
When I asked him what he was doing, he smiled guiltily and then put the parcel on the desk.
当我问他正干什么时，他内疚地笑了，然后把那个大包拿到了桌上。