火车站附近最近在施工，是要为入口处安放防撞的安全桩。 和同事聊起来，学到了这个新词 Bollard。 > A bollard is a sturdy, short, vertical post. > > The term originally referred to a post on a ship or quay used > principally for mooring boats, but is now also used to refer to > posts installed to control road traffic and posts designed to > prevent ram raiding and car ramming attacks. Ramming 就是以自身撞击的意思。 > In warfare, ramming refers to hitting a target by running oneself into the target. 另外，既然也提到了 quay （码头）那么再复习一下它的“同义词”： > Quay and wharf are originally different in usage only really. A wharf is for the commercial unloading and loading of ships and is (usually) private property belonging to a shipping company. A quay is for smaller ships or boats and is available for general use, these are frequently owned and operated by the local governments/councils for the benefit of local fishermen originally. Passenger ships would usually dock at quays, cargo ships at wharves. > A pier is a man-made construc...