Definition
to completely fill a vehicle's fuel tank
為車輛將油箱加滿
Before the long journey, they chose to tank up at the gas station.
在長途旅行前，他們選擇在加油站加滿油。
You should start to tank up when you see the fuel gauge nearing empty.
當你看到油表接近空的時候，你應該開始加油。
To avoid running out of gas on the way, he made sure to tank up before leaving.
為了避免在路上沒油，他確保在離開前加滿油。