This drift has been studied extensively in many animals and in biological activities ranging from the hatching of fruit fly eggs to wheel running by squirrels.
People, animals, three-wheel rickshaws and trucks are liable to veer in front of a car at any time.
行人、动物、三轮车和卡车任何时候都可能窜到汽车前面。
3
Some of the animals had fat surgically removed, while others were encouraged to stay slim by exercising on a running wheel. Both cases showed increased levels of cancer cell death.