Jogglework
啮合工作, 镶接工作
🗣️ 情景例句
when Susan and Richard were babies?
当Richard和Susan还很小时？
The voice is the best music.
说话声是最好的音乐。
For example, we make bicycle parts and tractor parts. Any questions?
例如，我们制造自行车和拖拉机的零部件。 有什么问题吗？”