Potin
铜锌锡合金
🗣️ 情景例句
and the Stewart family.
和Stewart一家人。
Let's go out to the airport. The plane landed ten minutes ago.
让我们去机场。 飞机在10分钟前降落。
The clouds had come down so suddenly we had no warning.
乌云突然出现，我们丝毫没有觉察。