Petrosectomy
岩锥切除术
🗣️ 情景例句
before getting to the tough stuff--math.
在对付难缠的东西 数学 之前。
Don't trust him, he's lying.
别相信他，他在乱盖。
I'm afraid we're going to be in Shanghai that day. I hope you all have a good time.
恐怕到那天我们将在上海了。我祝你们玩得痛快。