Be exempted from
被免除…,免于…
🧩 词语组成解析
be
[bi]
v. 是;有，存在;做，成为;发生;
aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质;
v. 使免除[豁免]( exempt的过去式和过去分词 )
from
[frəm]
prep. （表示时间）从…;（表示原因）因为;（表示来源）来自…;（表示分离）与…分离[隔开];
🗣️ 情景例句
You've been a great asset to our department.
你曾是我们部门的栋梁之材。
When three know it, all know it.
三人知，天下晓。
If it is not a question of resting the body, then perhaps it is the brain that needs resting? This might be a plausible hypothesis were it not for two factors.
如果睡眠的功能不是在于使身体得到休息，那么也许是让大脑得以休息？若不是下面两点，这种假使似乎是有道理的。