REM

名词 rem:

1. a recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep
   同义词：paradoxical sleep, rapid eye movement sleep, REM sleep, rapid eye movement
2. (Roentgen Equivalent Man) the dosage of ionizing radiation that will cause the same amount of injury to human tissue as 1 roentgen of X-rays

1. Judging from the fact that our bodies automatically compensate for a loss of REM sleep, we apparently have a need for REM sleep.
   从人体能自动补偿损失掉的“眼球快动睡眠”的事实来推测：很明显，我们需要“眼球快动睡眠”。
2. In some respects REM sleep seems similar to being awake.
   他们在某些(所有／没有／一些)方面彼此相似。

rem

n.Physics （名词）【物理学】
The amount of ionizing radiation required to produce the same biological effect as one rad of high-penetration x-rays.
雷姆：产生和一拉得强渗透的X光射线等量的生物反应的致电离辐射的数量
A unit for measuring absorbed doses of radiation, equivalent to one roentgen of x-rays or gamma rays.
雷姆：度量被吸收的辐射数量单位，相当于一伦琴的X光射线或伽码射线

来源：
r(oentgen) e(quivalent in) m(an)
r(oentgen) e(quivalent in) m(an)