Qdz
[化] 气动单元组合仪表
🗣️ 情景例句
Do? I don't know.
读什么 ？我不知道。
A handful of common sense is worth a bushel of learning.
少量的常识，当得大量的学问。
(laughing) Really? I've never heard of that before! Thank you very much! Goodbye!
真的吗？我以往从来没有听说过这种事。非常感谢您！再见！