資料來源 : pyDict
小型輔助發動機,小型機車
資料來源 : Webster's Revised Unabridged Dictionary (1913)
Donkey \Don"key\, n.; pl. {Donkeys}. [Prob. dun, in allusion to
the color of the animal + a dim. termination.]
1. An ass; or (less frequently) a mule.
2. A stupid or obstinate fellow; an ass.
{Donkey engine}, a small auxiliary engine not used for
propelling, but for pumping water into the boilers,
raising heavy weights, and like purposes.
{Donkey pump}, a steam pump for feeding boilers,
extinguishing fire, etc.; -- usually an auxiliary.
{Donkey's eye} (Bot.), the large round seed of the {Mucuna
pruriens}, a tropical leguminous plant.
資料來源 : WordNet®
donkey engine
n 1: a locomotive for switching rolling stock in a railroad yard
[syn: {switch engine}]
2: (nautical) a small engine (as one used on board ships to
operate a windlass) [syn: {auxiliary engine}]