1.
(hand-propelled or motor-driven) tricycle FOR the disabled
康复车
2.
I HAD always been a skilled mechanic, and after several bent wings, I built my own ultralight with steerable tricycle landing gear
我一直是个熟练的机械工人，经过几次弄弯了机翼之后，我终于制造了一个超轻型飞行器，上面有可操纵的三轮着陆装置。
3.
MotORcycle: Bicycle OR tricycle propelled by an internal combustion engine.
摩托车:由内燃机驱动的两轮或三轮车。
4.
This engine is equipped by vacuum membrane, double chambers .The engine has reverse device , oil-alarm, liming device and transmission differential. It is the special engine for tricycle and ATV.
发动机内部设置倒档装置、机油报警器和传动差速器，属国内外首创“一体化”的三轮车和沙滩车专用发动机。
5.
Our son has just graduated from a tricycle to a proper bicycle.
我们的儿子刚刚从骑三轮自行车过渡到骑普通自行车。
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