1.Curiously, the sound of blood flow inthe vessels of our head and neck is within hearing range, yet we do not hear it.
但令人惊奇的是，我们头部和颈部血液循环的声音就在这个听觉范围之内，而我们却听不到。
2.The unit generates noise at all frequencies across the human hearing range.
它能产生所有频率的声音，覆盖了整个人类的听力范围。
3.Considering the justice and efficiency of litigation, Law must interpose restrictive condition to the evidence entering court hearing range.
基于诉讼公正和诉讼效率的考虑，法律必须对进入庭审范围的证据设置限制性条件。
4.The mother didn't realize the child was within hearing range.
母亲没有意识到孩子就在旁边，听得见。