dipstick

详细解释:n. 量油尺

英语解释：

名词 dipstick:

a graduated rod dipped into a container to indicate the fluid level

详细解释：

dip.stick

n.（名词）
A graduated rod for measuring the depth or amount of liquid in a container, as of oil in a crankcase.
量杆：一个测量刻度杆，如曲轴箱中油深度的有刻度的棒