Colvadur
[德]科尔瓦杜尔（高强力粘胶短纤维）
🗣️ 情景例句
Please cash this check.
请兑现这张支票。
How did you decide that product was safe?
你怎样决定产品是安全的呢？
People said gold could easily be picked up by washing sand from the river in a pan of water.
据说，在一盆水里淘洗可沙就很容易找到金子。