Ladderback
a. 椅背成梯状的
🗣️ 情景例句
Why do we need a swimming pool? Everyone in the family hates swimming!
我们需要游泳池做什么呢？家里人都讨厌游泳。
He gave her his word that he would never be late again.
他向她保证，绝不再迟到。
This way, he can kill two birds with one stone.
这样他就能两全其美。