pole (EN)

名词，动词

名词 “pole”

1. 杆
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   The newly installed wooden poles along the trail provided hikers with support during steep climbs.
2. 撑杆
   The athlete gripped her fiberglass pole tightly as she sprinted towards the vaulting box.
3. 极点（如地球的南极或北极）
   The Arctic and Antarctic regions are located at the Earth's poles, where temperatures are extremely cold due to the lack of direct sunlight.
4. 磁极
   When you cut a magnet in half, you get two new pieces, each with its own north and south poles.
5. 极点（在几何学中的特定点）
   In the construction of the sundial, the gnomon acts as the pole from which the shadow's position is measured throughout the day.
6. 极（电器上的电流进出点）
   When installing the battery, ensure the red wire is connected to the positive pole and the black wire to the negative pole.
7. 极点（复分析中函数趋于无穷的值）
   In complex analysis, the function f(z) = 1/(z^2 + 1) has poles at z = i and z = -i, where the function approaches infinity.

动词 “pole”

1. 撑（用杆推动某物）
   The gondolier poled the boat gently through the Venetian canal.