Severities
n. 严重( severity的名词复数 ); 严格; 严谨; 严厉的对待
🗣️ 情景例句
I've been studying all day, and I'm sick and tired of it.
我学了一天，现在感到厌倦。
How often did I tell you to keep quiet?
我告诉你多少次要安静?
We want it to stay down the hole until we can lead it off in a controlled manner.
我们要让石油留在井下，直到我们能用一种有控制的方法把它引上来为止。