“堵住”的反义词有哪些

阿姆斯特朗在离目的地还有300米的地方被堵住不能动弹。Armstrong was boxed in with 300 metres to go.检验结果是肺部被厚厚的黏液堵住了。The result is that the lungs clog up with a thick mucus.有几条路被倒下的树堵住了。A number of roads have been blocked by fallen trees....

“堵住”的英语可以翻译为：plug up，stem ...