Backstepping
n. 逐步退焊法\\nv. 往后退（backstep的ing形式）
🗣️ 情景例句
Many kings and emperors used silver chopsticks to see if their food was poisoned.
许多帝王用银制的筷子以检查他们的食物中是否被人投了毒。
We are having a party and would like you to come.
我们要开派对，能请您光临吗？
as long as these distinctions between ourselves and the primitive,
只要我们同原始人，我们同野蛮人，