turntのようなどんな単語でも探してください。
 
1.
An extremely low first gear in a four-speed truck transmission. It is used for climbing steep hills, for moving slowly over bad terrain, or for driving slowly.
We drove to the top of Mount Bross (14,172 feet) in granny gear.
Bumkicker Sladeによって 2005年05月10日(火)
 
2.
The smallest of chainrings on a bicycle with three chainrings. So easy to pedal your grandmother could ride it.
That hill was so steep, I wish my bike had a granny gear to get up it.
JoshCyclistによって 2006年01月19日(木)
 
3.
The smallest of a triple front chainring set. Called a granny ring because, like granny, it doesn't have many teeth.
You may have to drop it down to granny gear for this steep pinch.
Duncan Withersによって 2008年07月22日(火)
 
4.
When thrust and stamina are valued more than a ferocious tempo, one "jams it into granny" to really get her going
Uh oh she's falling to sleep, jam her into Granny Gear!
themaplemolesterによって 2010年12月04日(土)