Unthreaded
没有螺纹的
🗣️ 情景例句
so that we don't have to worry about any structural problems.
我们就可以不用担心任何结构上的问题。
I enjoy your company.
我喜欢有你做伴。
Excuse me. How can I get to Bear Country?
对不起，到熊国怎么走？