Ballizing
为了测定一个孔口的大小或对孔口表面进行磨光而将一个硬质钢球穿过孔口的过程
🗣️ 情景例句
And excited, too.
也很兴奋。
Never trust another what you should do yourself.
自己应该做的事，决不要委托别人做。
Finding planets is proving hard enough, but finding life on them will prove infinitely more difficult.
寻找行星证明相当困难，但是要在行星上发现生命会变得无比艰难。