药性的英文：
property of a drug
nature of a drug

参考例句：

Aspirin is a mild analgesic.
阿司匹林是药性平和的止痛药。

Aspirin is a mild analgesic
阿司匹林是药性平和的止痛药.

I lay in a profound sleep, by the force of that soporiferous medicine infused into my liquor
我睡得昏昏沉沉，酒里的迷药药性已经发作了。

"But did you not say that my kind grandfather's precaution had neutralized the poison?"
“你不是说过，祖父的预防措施已中和了毒药的药性吗？”

Here are some lozenges which I have made up on purpose; they are compounded doubly strong."
这几支就是特地为我配制的药锭，它们的药性都是加倍强烈的。”

A herbal infusion or similar preparation drunk as a beverage or for its mildly medicinal effect.
药剂一种草药浸剂或类似的制剂，当作饮料或因其温和的药性而饮用

property是什么意思：
n. 财产；地产；所有权；特性，性质，属性；道具

render the property
归还财产

Property tax is payable on all properties (and is akin to rates).
所有物产都应支付财产税(近似的比率)。

A devise is the act of disposing property.
遗赠是一种处理财产的行为。

drug是什么意思：
n. 药物；毒品
v. 用药麻醉；投放麻醉药

Drug on the market
卖不出的货物

An ethical drug.
凭医师处方出售的药品

controlled drug
ph.1. 受法律管制的药物(或毒品)

nature是什么意思：
n. 大自然；自然方式；天性；本质；种类

natural | natural sign
白键|本位记号

The method is a natural.
这方法一定灵。

Is there necessity in nature?
自然界是否存在必然性？