Vignetting
渐晕
🗣️ 情景例句
A friend in need is a friend indeed.
患难朋友才是真正的朋友。
They intend to stop all traffic through the ports.
他们预定关闭港口的全部交通。
Every year, several classes visit the factory.
每年都有好几个班去参观这家工厂。