灯标是目视航标的一种。各种发光航标的统称。泛指昼夜均起助航作用的灯塔、灯桩、灯船和各种灯浮标等。如灯桩、灯浮标等，昼夜助航。还有一种以灯光助航的航标，如运河上使用的直道灯标、弯道灯标、照准灯标等只在夜间起作用。
n. post
misc. beacon light ; light beacon ; gas buoy
近40年里宇航员一直没能走出近地轨道的“港口灯标”，原因有很多，其中之一是缺乏将我们送到其他地方的机器。
There are a lot of reasons astronauts haven't moved beyond the harbor lights of low-Earth orbit in nearly 40 years, but one of them is that we haven't had the machines to take us anywhere else.
沿江都有航标灯标明航道，船只可以夜航。
All along the river lights mark the channel so that boats can travel at night.
虽然美国的灯塔在外观和结构上存在一些差异，但它们确有些共同之处，比如都有灯标、有住房、有时还有钟(后来改用雾角)。
Notwithstanding differences in appearance and construction, most American lighthouses Shared several features: a light, living quarters and sometimes a bell (or later, a foghorn).
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