单词	clamp down on
释义	请查阅词条：clamp down
随便看	fumiest fumigant fumigant fumigants fumigate fumigated fumigates fumigating fumigation fumigation fumigations fumigative fumigator fumigator fumigators fuming fuming fumingly fumingly fumings fumitories fumitory fumity fumy fumy 闪电的距离是怎么算出来的？闰年是什么时候因为什么而产生的？间歇泉为什么会时停时喷? 间隔年是什么? 闹钟是谁发明的？闹钟的夜明针为什么会发光阑尾为什么容易发炎? 阑尾炎是饭后奔跑引起的吗防弹玻璃是怎样制成的？防弹衣什么子弹都能挡住吗 Kontaktmesser Kontaktmetall Kontaktnocken Kontaktoverfläche Kontaktphase Kontaktplatte Kontaktposition Kontaktpotential Kontaktprellen Kontaktpunkt