英汉双语例句-生物医药大词典

A head covering of hard material, such as leather, metal, or plastic, worn by football players, firefighters, construction workers, motorcyclists, and others to protect the head.

中文意思：
头盔由坚硬材料如皮革、金属或塑料制成的头部覆盖物，由橄榄球队员、消防队员、建筑工人、摩托车骑手或其他人配戴，用以保护头部

以下为相关句子列表(点击查看，可以看对应的解释）：

	A hat-trick from David Healy secured an unbelievable victory at Windsor Park.			来自于大卫.海利的帽子戏法帮助北爱尔兰在温德索公园收获了一场难以置信的胜利。
	A hat-trick from Geoff Hurst and a spectacular effort from Martin Peters were enough to see England lift the 14-inch high trophy for the first time.			赫斯特的帽子戏法和马丁的不懈努力已经足够英格兰第一次获得这座高14英尺的奖杯。
	A hatchery for fish.			鱼孵卵的地方
	A haunting melody.			萦绕心头的旋律
	A hawthorn or similar tree or shrub.			山楂或类似的树或灌木
	A head covering of hard material, such as leather, metal, or plastic, worn by football players, firefighters, construction workers, motorcyclists, and others to protect the head.			头盔由坚硬材料如皮革、金属或塑料制成的头部覆盖物，由橄榄球队员、消防队员、建筑工人、摩托车骑手或其他人配戴，用以保护头部
	A head injury can also activate the Third Eye - Pineal Gland.			头受伤也能刺激第三只眼睛-松果体。
	A head of jet-black long hair draws a graceful arc through the air.			一头长发在空中划出一道优美的黑色弧线。
	A head of state may not have much political power, and may be restricted to ceremonial duties(meeting ambassador, laying wreath at national memorials, opening parliament, etc).			国家元首也许没有太多的政治上的权力，也许只限于礼仪上的职责（会见大使、在全国性纪念仪式上放花圈、宣布议会开始等）。
	A head to head discussion of issues between candidates. Debates represent opportunities for candidates to showcase their personalities, policies, and ideas?or complete lack thereof.			候选人针锋相对地的讨论问题，这是一个机会，可以展示他们的个性，政策，理念。
	A headache diary was kept for 4 weeks in order to substantiate the diagnosis and record the pain history.			为期4周的头痛日记以明确诊断和记录头痛病史。