| 释义 |
〔bronchodilator〕A drug that widens the air passages of the lungs and eases breathing by relaxing bronchial smooth muscle.支气管扩张剂:一种可加宽肺里空气通道的药物,并通过放松支气管的平滑肌来使呼吸轻松〔dredge〕To clean, deepen, or widen with a dredge.用挖掘机清除、加深或加宽〔plaza〕A widened roadway forming the approach to tollbooths on a highway.收费区:公路上形成收费处入口的加宽路面 |