Uvm
[医][=ultraviolet meter]紫外线计
🗣️ 情景例句
but they need me at the hospital today,
但今天医院有事，
A man may lead a horse to the water, but he cannot make him drink.
牵马到河易，强马饮水难。
is to some degree inevitable.
在某种程度上是不可避免的。