系船柱

例句：

1. 1. The boat was securely fastened to the dock with a sturdy anchor.
   这艘船用一个结实的锚牢固地系在码头上了。
2. 2. The captain used his mooring post to secure the vessel in place.
   船长使用他的系船柱来使船只稳固地停泊。
3. 3. The sailors carefully checked the ropes and anchor to ensure the ship remained stable.
   水手们仔细检查绳索和锚以确保船只保持稳定。