trip為什麼是名詞

因為trip一開始就被定義為名詞

例句

1、

He tried to organise things so that the trip would be dressed up as a UN mission.

他竭力籌備好各項事宜以便這次出行看上去像聯合國代表團出訪一樣。

2、

The pluses more than compensated for the inconveniences involved in making the trip.

各種有利因素大大抵消了出行過程中的種種不便。