你能把我的自行车弄好吗？
A fixed-gear bike is a bicycle whose pedals rotate at all times, even when coasting.
固定齿轮自行车是一种需要人一直不停地踩的自行车，即使在滑行时也要一直踩。
In the UK, a group of drunk young men fixed a broken bicycle rack, which had been deformed in a car accident.
在英国，一群醉酒的年轻人修好了一个在交通事故中变形损坏的自行车固定架。
Methods E-Echo was performed in 44 patients with pacemakers. All patients underwent supine bicycle exercise tests in fixed-rate and adaptive pacing mode.
方法对4 4例植入频率适应性起搏器的患者行运动负荷超声检查，分别于非频率适应和频率适应两种起搏状态时进行仰卧位踏车实验。
Methods E-Echo was performed in 44 patients with pacemakers. All patients underwent supine bicycle exercise tests in fixed-rate and adaptive pacing mode.
方法对4 4例植入频率适应性起搏器的患者行运动负荷超声检查，分别于非频率适应和频率适应两种起搏状态时进行仰卧位踏车实验。
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