1·The brain is as active during REM (rapid eye movement) sleep when most vivid dreams occur as it is when fully awake, says Dr. Eric Nofzinger at the University of Pittsburgh.
匹兹堡大学的艾瑞克·诺夫辛格博士说，大脑在快速眼动睡眠期和完全清醒时一样活跃，大多数最生动的梦都发生在这个时候。
2·This technique is particularly successful where problems occur as the result of repetitive movements.
这项技术的成功之处在于能解决重复运动引起的问题。
—— 《柯林斯英汉双解大词典》
3·She then talks about health issues and the physical damage that can occur as a result of dieting.
她还说到了节食会导致的健康问题和身体损伤。
4·Dioxins occur as a complex mixture in the environment and in food.
二恶英在环境和食品中以一种复杂的混合物形式出现。
5·It paints summer skies as well, and can occur as far south as Yellowstone.
它同样出现在夏天，甚至出现在远至南方的黄石公园。
6·Death can occur as quickly as ten minutes after initial contact to a few hours.
在接触附子花几小时后，人可以在十分钟内死亡。
7·These changes, imperceptible to the human eye, occur as the heart pumps blood through the body.
这些人类眼睛无法知觉的变化发生在心脏将血液泵向全身的时候。
8·The gradual changes in our bodies that occur as part of the aging process also affect our sleep.
随着年龄的增加，我们的身体开始慢慢发生变化，这同样影响着我们的睡眠。
9·Then determine whether these flows occur as parallel or alternative branches in the process model.
然后再确定这些流在流程模型中是否是以并行或可选分支的形式出现的。
10·Typically, regressions occur as an unintended consequence of program changes during a bug fix.
通常，回归表现为执行故障修复期间执行程序更改得到的意外结果。