Mandrel mandril
[机] 心轴
🧩 词语组成解析
n. 心轴\\n[医] 轴柄
n. 心轴, 心子, 紧轴, (非正式)鹤嘴锄
🗣️ 情景例句
He's stepped out of the office for a little while.
他离开办公室刚一会儿。
Oh, really? Where did you go?
哦，真好？去哪儿了？
Let me explain why I was late.
让我解释迟到的理由。