alkaloid ['ælkəlɔɪd]

例句:

• The true alkaloid nicotine in Nicotiana functions as an allomone against many insect species.
  烟草属中的真生物碱,烟碱作为利已激素,能防治许多昆虫.
  
• Quinine: Alkaloid found in the bark of cinchona trees and shrubs.
  奎宁: 金鸡纳树皮中的生物碱,主要用于治疗疟疾.
  
• So we survey Kunyu mountain alkaloid plant while our practice emphatically.
  为此,我们在实习中着重对昆嵛山生物碱植物进行了调查,介绍了生物碱植物的主要疗效及用药注意事项.
  
• In some cases the bitter taste is accompanied by alkaloid toxicity.
  来自SA
• Eventually Bohannon hit on a process by which to mask the tart taste when the stimulating alkaloid was added to a recipe.
  来自SA
• The leaves are shredded, dried and then cooked with chemicals that distil the alkaloid that makes the drug.
  来自BBC