Every year, 5,000 people have life-threatening reactions to anaesthetics.

每年，有5000人会对麻醉剂产生致命的不良反应。

He hired a new consultant in anaesthetics.

他雇用了一名新的麻醉学顾问医生。

You may wonder why having a horn cut off requires anaesthetics.

你可能会觉得奇怪，为什么去掉牛角需要麻醉?。

The use of animals has been central to the development of anaesthetics.

使用动物对于发展麻醉学具有至关重要的作用。

The snag with most local anaesthetics is their lack of specificity.

大多数局部麻醉剂的问题是，它们的作用没有针对性。