The bike has no chains or gears, making hills extremely difficult to climb and dangerous to descend due to its small brake.
这辆车没有链子，也没有排档，因为它的刹车闸很小，所以骑着它爬山非常困难，而下坡又异常危险。
The bike has no chains or gears, making hills extremely difficult to climb and dangerous to descend due to its small brake.
这辆车没有链子，也没有排档，因为它的刹车闸很小，所以骑着它爬山非常困难，而下坡又异常危险。
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