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A catamaran is a boat with two hulls — two long bodies in the water — held apart by a deck. Two hulls make it hard to tip over, so it can be fast and feel steady.
A catamaran雙體船 is是 a boat with two hulls一種有兩個船身的船—— two long bodies in the water兩個在水裡的長長船體—— held apart by a deck中間用甲板撐開 Two hulls兩個船身 make it hard to tip over讓它很難翻船， so it can be fast and feel steady所以它可以又快又穩
The dictionary picture is often a sailing boat, and that is still a true use. Though actually, plenty of modern catamarans have engines; ferry companies love them, and holiday ads call almost any twin-hull boat a catamaran.
The dictionary picture字典裡的圖片 is often a sailing boat常常是一艘帆船， and that is still a true use而那仍然是真實的用法 Though actually不過其實， plenty of modern catamarans have engines很多現代的雙體船都有引擎； ferry companies love them渡輪公司很愛用， and holiday ads call almost any twin-hull boat a catamaran而度假廣告幾乎把任何雙船身的船都叫雙體船
A boat with three hulls is a , not a catamaran.
A boat with three hulls有三個船身的船 is是 a trimaran三體船， not a catamaran不是雙體船
The first ones, in South India, were logs tied together: not the sleek boats on . In English today the meaning has narrowed to that twin-hull craft, not just any raft.
The first ones最早的那些， in South India在南印度， were logs tied together是把木頭綁在一起： not the sleek boats on postcards不是明信片上那種流線型的船 In English today在今天的英文裡， the meaning has narrowed to that twin-hull craft這個字的意思已經縮小到那種雙船身的船， not just any raft不是隨便一個木筏
組成From Tamil kaṭṭumaram: kaṭṭu, “to tie,” + maram, “tree, wood.”
同家族的字
- trimaranthe three-hull boat, named on the same pattern
原始詞典資料4 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
catamarannoun/ˌkæ.tə.məˈɹæn/
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A twin-hulled ship or boat.
- Swift over the seas the vessel drives; Madras appears in sight. The first object catching the eye, upon the anchor being cast, was an Indian upon his catamaran, who, making a sudden motion, sprung to the side of the ship, grappled there for a moment, and the next was on the deck.
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obsoleterareA quarrelsome woman; a scold.
- She meddles with my prescriptions for your wife; she doctors the infant in private: you'll never have a quiet house or a quiet wife as long as that old Catamaran is here.
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obsoleteA raft of three pieces of wood lashed together, the middle piece being longer than the others, and serving as a keel on which the rower squats while paddling.
- Three or four strange-looking things now came close to our boat, which I understood were called ‘catamarans’, consisting of nothing more than two or three large trees, the trunk part only strongly lashed together, upon which sat two men nearly in a state of nature […] .
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obsoleteAn old kind of fireship.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。