1、possibility
可能;可能性;
There were several possibilities open to each manufacturer.
每個制造商都可以有幾種不同的選擇 。
2、obstruction
阻礙,受阻;
John was irritated by drivers parking near his house and causing an obstruction.
約翰對那些在他家附近泊車堵住通道的司機感到惱火 。
A passer-by told the driver to move his car so that it was not causing an obstruction.
一個過路人叫那個司機把他的車挪一挪,免得擋道 。