Another sophisticated noise-suppression product is the " filtered earplug , " a plastic device that reduces the volume of outside sound but does not alter its character .
另一个复杂的噪音抑制产品是“过滤耳塞,”一个塑料的装置,减少外界声音但是不会改变它的性质。
Our dog almost died , I learned a new language , I made new friends , I solved new problems , and I got an earplug stuck in my ear . You know , the usual stuff when you travel .