Threadless
a. 无线的, 无螺纹的
🗣️ 情景例句
it's exactly as it was when we were married!
它跟我们结婚的时候一模一样！
What kind of quality control do you have?
你们用什么办法来控制质量呢？
The cave led back into the rockface and the earth by the entrance was dry.
岩洞迂回延伸到岩面里，靠近洞口的土是干的。