1. Possibly the legs are contributing; the drawing seems to show the feet on treadles, but they don't appear to be connected to anything.
可能是腿的贡献；绘图，似乎显示英尺就treadles ，但他们似乎不连接到任何事情。
2. Small children sometimes stand with their parents on the treadles. Everyone in
有时小孩和父母站在踏板上，家里每人轮流操作这个水泵
3. The brickmaker treadles over clay to pick out the stones.
泥土的；像泥土的；土壤的；像土壤的
4. Actually it is not enough of doing that, the complementary base pair can link together, but just combining the treadles of a ladder broken in two parts that cluff of handrails is left broken.
但实际上仅仅这样做是不够的，互补的碱基处虽然连接起来，但是这种连接只相当于把断成两截的梯子中间的踏板连接起来，两边的扶手的断口处还没有连接起来。
5. The pistons go up and down as a person stands on lever devices -- treadles -- and uses a natural walking motion.
这两活塞一上一下就像一个人站在一根杠杆上，即踏板，并且利用自然步行运动。
treadles
6. The pistons go up and down as a person stands on lever devices, -- treadles, -- and uses a natural walking motion.
人站在杠杆设置踏板上来回走动，活塞就会上下移动。
1. Her hands dance with the shuttles and her feet step on the treadles in quick rhythm.