occurs的例句（occurs在句子中的用法）

• It occurs in elderly men, apparently as part of the ageing process... 这种情况出现在老年人当中，显然是衰老过程的一部分。
• The human brain needs to be without oxygen for only four minutes before permanent damage occurs. 人的大脑缺氧4分钟后便会造成永久性损伤。
• 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。
• When hay fever first occurs it is often mistaken for a summer cold. 花粉病初期常被误认为是风热感冒。
• It never occurs to them to question the doctor's decisions... 他们从未想过要怀疑医生的决定。
• Change occurs at a glacial pace. 变化极其缓慢。
• Conception occurs when a single sperm fuses with an egg... 受孕发生在单个精子与卵子结合的时候。
• A burglary occurs every three minutes in London... 伦敦每3分钟就会发生一起入室抢劫案。
• In the Chinese calendar, the Spring Equinox always occurs in the second month. 在中国历法中，春分总是出现在2月。
• The cry occurs when air is brought into contact with the baby's larynx... 婴儿的喉咙接触到空气时，就会哭出来。