Springing
n. 船体纵向二阶波振；弹簧现象；弹性装置
🗣️ 情景例句
I need a new toothbrush. My old one's worn out.
我需要一支新牙刷。旧的用坏了。
Which is your bag?
哪个是你的包？
What did you write on it?
你在贺卡上写了什么？