Palnut
一种单线螺纹锁紧螺母
🗣️ 情景例句
How can anybody get a word in around here?
在这里谁有机会插话呢？
The used key is always bright.
常用的钥匙总是光亮的。
The basic features include a crest (the highest point of the wave),
它们的基本特征包括浪峰（波浪的最高点）