... stepped clamping block 级形垫铁 stepped cone 级轮 stepped control 分级控制 ...
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stepped cone pulley 锥形柄轮
stepped driving cone 主动级轮
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Today, I saw a squirrel besides a tree, thinking it was cute, I stepped closer, picked up a pine cone and tried to lure it to come closer.
今天我看到一棵树旁有只松鼠，觉得很可爱，就走过去，捡起一颗松果试图把它引诱过来。
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