很多碱性物质虽然有毒，但有入药价值，一些可以压制咳嗽。
Although poisonous, many alkaloids are valuable as medicines, and some can suppress coughing.
虽然有效，这种组合是昂贵的，危险的，甚至是有毒的。
Though effective, this combination is expensive, dangerous and even toxic.
虽然有效，这种组合是昂贵的，危险的，甚至是有毒的。
Though effective, this combination is expensive, dangerous and even toxic.
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