Cerro
塞罗铋基低熔合金
🗣️ 情景例句
I'm sorry, Marilyn.
对不起 ，Marilyn。
They have been much too irresponsible for their high position.
他们虽身居要位，未免太缺乏责任感了。
Modern industry is based on the conception of the maximum production at lowest cost,
以最低成本获取最多产品，