Hairspring
n. 细弹簧, 游丝
📖 牛津释义
hairspring
n
fine spring in a watch, controlling the balance-wheel （表的）游丝（控制摆轮的细小弹簧）.
🗣️ 情景例句
I'm happy to meet you.
很高兴见到你。
Pervert!
变态！
What a lot of smoke!
好浓的烟啊！