1·A barrier composed of a chain of floating logs enclosing other free-floating logs, typically used to catch floating debris or to obstruct passage.
一种由一连串浮木连着别的自由浮木而成的障碍物，特别用于拦截漂浮残骸或阻止通行。
2·Large trees may obstruct the passage of light.
大树可能阻止光线穿过。
—— 《牛津词典》
3·I am always easy to die fine time, but we need not regret, although we can't obstruct time of passage, we can keep this happiness.
美好的时光总是易逝的，但我们不必遗憾，虽然我们无法阻拦时光的流逝，但我们可以留住这份欢乐。
4·That does not affect their electrical conductivity, but nanoscale particles like this are known to scatter and obstruct the passage of heat through imperfectly understood quantum-mechanical processes.
这样做并不影响其导电性。但是，如果完全理解量子力学过程的，这种纳米颗粒能够分散和阻挠热量通过是众所周知。
5·A structure set up across a route of access to obstruct the passage of an enemy.
栅栏，路障，防御横跨地设在进入线路上，用来阻止敌人通过。
6·Private members attempt to obstruct the passage of the bill.
下院议员企图阻止议案的通过。