If bleeding is severe, an additional procedure or surgery may be needed to control it.

如果出血严重，可能需要额外的程序或手术来控制它。

youdao

One forgotten update can be the cause for severe damage and costs, especially if it is an important requirement for, as an example, an aircraft or a medical device.

一次被遗忘的升级，可能导致严重的错误和成本代价，特别是如果升级是非常重要的需求时更是这样，例如飞机和医疗设备的更新情况。

youdao

It can cause severe brain damage and is fatal in 50% of cases if untreated.

该病可对大脑带来严重损害，若不加治疗，50%的病人将失去生命。

youdao

It's very difficult to be happy if we are experiencing severe depression or anxiety.

要快乐并不容易,如果我们感觉很压抑或焦虑。

哈佛公开课 - 幸福课课程节选

If it detects a severe arrhythmia, the device is designed to shock the heart, causing it to revert to normal rhythm.

CNN: Cheney goes home after heart device implant

Anhydrous ammonia, a gas used in making fertilizer, can cause severe burns if it combines with water in the body.

CNN: SHARE THIS

"It's one of those roads that, if we do get some severe weather, it is closed early on, " he said.

BBC: NEWS | UK | Wales | Four teenage girls die in crash