Microspindle
千分尺轴; 千分螺桿
🗣️ 情景例句
Now maybe...
也许现在……
Rivers need a spring.
大河要有源头。
I bought two expensive dictionaries here half and hour ago, but I forgot to take them with me.
半小时以前我在这里买了两本很贵的辞典，但是我忘了拿走。