为了研究大麻素的作用，研究人员给新生老鼠注射了一种化学物质，这种化学物质可以阻止大麻素到达它们大脑中的受体。
To investigate the function of cannabinoids, researchers injected newborn mice with a chemical that is known to block cannabinoides from reaching their receptors in the brain.
当一种酶引起香叶酰焦磷酸盐和胆酸时，大麻素的生产就开始了。
Cannabinoid production starts when an enzyme causes geranyl pyrophosphate and olivetolic acid.
在四色印刷中，这给色彩对准带来大麻烦，因为每次只能用一种颜色的墨，需要精确校准以避免套色不准及图示不清。
That played havoc with the color register for four-color printing, since the ink, applied one color at a time, required pinpoint calibration to avoid badly aligned, muddy illustrations.
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