Treadstone
n. 踏脚石（喻被人利用的计划、行动等）; 踏脚石 （语见电影<碟影重重>）
🗣️ 情景例句
When you have a business meeting in the United States, come to the appointment on time.
当你在美国有商务会晤时，一定要按时赴约。
What did you do the week before last?
上上星期你干了什么？
We should learn to show mercy to others.
我们应该学会宽恕他人。