Unthreaded
没有螺纹的
🗣️ 情景例句
Great! I'll make a reservation right now.
太好了， 我现在就订房间。
Thoroughly to teach another is the best way to learn for yourself.
教学相长。
I have had so many falls that I am black and blue all over.
我摔了好几跤，全身又青又紫。