n. 链（海上测距单位）
... 电缆绞车 cable winch 电缆链，电缆长度 cable's length 上层编织下层实心的绕组 cable-and-bar winding ...
The boat that now arrived, assured by the answering signal that all was well, soon came in sight, white and silent as a phantom, and cast anchor within a cable's length of shore.
那艘帆船还是等在外面，在观察回答的信号究竟对不对，不久，它就静悄悄地驶近了，只见白朦朦的一片，象是一个幽灵似的，在离岸一箭路以外抛了锚。