1 A2 中性
因为已经全部被使用或消耗掉,所以某种实物或材料已经没有了。
"We ran out of milk this morning, so I had to drink my coffee black."
“
We're running out of time.
— Common idiom widely attributed in political and climate speeches; notably used by Al Gore in An Inconvenient Truth (2006)
不可分离