obstruct的一般过去时为：obstructed...

The cirrhotic process obstructs the intrahepatic portion of the portal venous system.肝硬化使门脉系统的肝内部分受阻.A device or means that obstructs, blocks, or plugs up.堵塞的方法:阻碍, 阻挠或堵塞的工具或途径.The mountain road is so steep that it almos...

Title : Can Patients Receiving Aminophylline for Asthma and Chronic Obstructive Pulmonary Disease QuIt'smoking?哮喘及慢性阻塞性肺病患者用茶碱类药物时能戒烟 吗 ?Chronic obstructive pulmonary disease; Respiratory failure; Enteral nutrition;...

A number of local people have been arrested for trying to obstruct lorries loaded with logs.一些当地人因试图阻止满载原木的卡车通行而被逮捕。The defences are intended to obstruct any advance by tanks and other vehicles.这些防御工事用于阻止坦克等车辆前进。Claire p...

Lay them on their side and ensure the airway is unobstructed.让他们侧躺着,并确保呼吸道畅通.Pressure and flow pulses may be used to keep the tubes unobstructed.可用压力和流动脉冲使管子畅通.The motorist enjoys an unobstructed view of the natural scen...

vt.阻塞，堵塞，阻碍，阻止vi.阻塞，妨碍，（给…）设置障碍...

obstructions的音标：obstructions的英式发音音标为：[əbst'rʌkʃnz]obstructions的美式发音音标为：[əbst'rʌkʃnz]...

Many women feel ageism is obstructing their career ambitions.许多女性感到年龄歧视问题正阻碍着她们职业抱负的实现。You can't park here, you're obstructing my driveway.你不能在这里停车，你挡住了我家的车道。Drivers who park their cars illegally, particularly ...