Metafiltration
层滤
🗣️ 情景例句
Alexandra's a high-school exchange student from Greece.
Alexandra是从希腊来的交换高中生。
Packing will help push the sales.
包装有助于推销产品。
Then anyone who wants to can go for a walk round Aswan after the boat trip.
那么，想乘船的人就可以在乘船游览之后到阿斯旺各处走走。