The point of degradation, due to attenuation or distortion, at which a signal becomes unusable.由于衰减或失真使得信号变得不能使用的那个退化点.Mortality is the number or volume of trees periodically rendered unusable through natural causes.枯损是一...
I must have driven past that place thousands of times.我得有上千次开车经过那里。There are thousands of students absolutely gagging to come to this university.肯定有成千上万的学生都渴望到这所大学念书。Thousands of refugees are packed into over-crowded tow...