Blocknut
保险螺帽, 防松螺帽
🗣️ 情景例句
Yes, I read you loud and clear.
嗯，我完全明白。
I met one of the cameramen over at the television station.
我在电视公司遇到一位摄影师。
I mean powder that is made from fish, blood and bone.
我是指用鱼、血和骨头制成的粉末。