Castolin
铸铁焊料合金
🗣️ 情景例句
Nonsense! How can you say that and keep a straight face?
胡说八道！你怎么能不动声色说那些话呢？
Will you do me a favor?
你帮我一个忙好吗？
Not at all! Please sit down, Mr. Green. Would you like a cup of tea?
没关系！请坐，格林先生。你喝茶吗？