hammerhead
hammerhead 英 ['hæməhed] 美 ['hæmɚhɛd]
n. 锤头；笨蛋 adj. 锤头状的；鲁钝的
名词复数:hammerheads
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- n. 锤头；笨蛋
- adj. 锤头状的；鲁钝的
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1. In the last five years the list of virgin mothers has expanded to include a python, hammerhead sharks, blacktip sharks, and Komodo dragons.
在过去的五年里，发现的单性生殖的雌性动物的包括了蟒蛇，锤头鲨，黑鳍鲨，和科莫多巨蜥。
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2. In the past 25 years, certain hammerhead sharks have declined 83% in the northwest Atlantic and up to 70% in the eastern Pacific and southwest Indian Ocean.
在过去的25年里，大西洋西北部的锤头鲨减少了83%，而太平洋东部和印度洋西南部则减少了70%。
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3. To keep the heavy hatch from slamming shut on young fingers, I strung a counterweight (an old railroad hammerhead I found at a junk shop) through a small pulley above.
为避免沉重的屋门夹住孩子的手，我穿过上面的小滑轮系上了一个平衡物（我在旧货商店找到的一个旧铁路锤头）。
- hammerhead (adj.) also hammer-head, 1560s, "head of a hammer," from hammer (n.) + head (n.). From 1796 (American English) in reference to a kind of shark, so called for its broad, transverse head. The animal is referred to as hammer-headed shark from 1752 and hammer-fish from 1745. The older name for it was balance-fish; there was a full specimen and a head of another under that name in the Royal Society Museum by 1681:
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