occurs是什么意思？

occurs

英[ə'kɜ:z] 美[ə'kɜz]

• v. 发生( occur的第三人称单数 )，被想起，被发现，（尤指基督教节日与别的节日）适逢同日；

例句

• an infection that occurs in swans 在天鹅中出现的传染病
• Silver occurs natural. 银是天然存在的。
• Salt occurs naturally in sea water. 盐天然存于海水中。
• Sinus bradycardia occurs when the heart rate falls below 60. 窦性心动过缓是心率低于60次.
• It occurs when minds stimulate each other and ideas call forth ideas. 当主意相互碰撞、想法相互启发,协同效应就发生了.
• The dangerous type chronic otitis media occurs with pars flaccida and marginal perforations. 慢性中耳炎的危险型可出现鼓膜松弛部的穿孔和鼓膜边缘性穿孔.
• Between the group and the group very little occurs slaughters. 群与群之间很少发生厮杀.
• A flood occurs when overflows or inundates land that's normally dry. 当水流过量或者淹没正常的土地时,洪水发生.
• Instead, sarcomere shortening occurs when the thin filaments'slide " by the thick filaments. 此外, 肌节的缩短发生于细肌丝沿粗肌丝“滑行 ” 之际.
• The limit occurs when the ordinate deviates appreciably from unity. 这个限度发生在纵坐标明显地从单位1偏离的时候.

英语四级真题

One of the greatest heartbreaks for fire fighters occurs when they fail to rescue a child from a burning building because the child, frightened by smoke and noise, hides under a bed or in a closet and is later found dead.
出自-2010年12月听力原文

英语六级真题

Reinforcement occurs when we receive direct or indirect rewards or punishments for particular gender role behaviors.
出自-2013年6月阅读原文
Social learning theories contribute to our understanding of why we behave as we do, but much of the emphasis is on early socialization rather than on what occurs throughout life
出自-2013年6月阅读原文
The difference occurs when someone needs to drink.
出自-2013年6月听力原文

柯林斯高阶英汉双解学习词典释义

• VERB
  发生
  When something occurs, it happens.
  例句
  If headaches only occur at night, lack of fresh air and oxygen is often the cause... 如果只是在晚上头疼，那常常是由于缺乏新鲜空气和氧气的缘故。 The crash occurred when the crew shut down the wrong engine... 机务人员关错了引擎，随即飞机坠毁。
• VERB
  存在；出现；有
  When something occurs in a particular place, it exists or is present there.
  例句
  The cattle disease occurs more or less anywhere in Africa where the fly occurs... 在非洲凡是有这种蝇虫的地方，几乎都会出现这一牛病。 These snails do not occur on low-lying coral islands or atolls. 在地势低平的珊瑚岛或环礁上没有这种螺。
• VERB
  （想法或主意）被想到，被想起，浮现于脑海中
  If a thought or idea occurs to you, you suddenly think of it or realize it.
  例句
  It did not occur to me to check my insurance policy... 我没有想到要核实我的保险单条款。 It occurred to me that I could have the book sent to me... 我想到可以让人把书寄给我。

行业词典

• 计算机： 重现；