anchor leg

例句：

1. 1. The boat was anchored securely to the dock.
   船被牢固地系在码头上。
2. 2.The pilot used his left leg as an anchor to steady himself.
   飞行员用他的左腿作为锚来稳住自己。
3. 3.The ship's anchor leg broke off in the storm.
   风暴中，船的锚脚断了。