Mandrel test
[电] 静轴测试
🧩 词语组成解析
n. 心轴\\n[医] 轴柄
🗣️ 情景例句
you need to work at it, Grandpa.
你得常练它， 爷爷。
Just a short line to say thanks.
只言片语聊表谢意。
Open the door, please, Lucy. Lily, is she opening the door?
露茜，请把门打开。莉莉，她在开门吗？