例句 |
They are seeking alternatives to fossil fuels.他们正在寻找化石燃料的替代物。Rituals and superstitions may become a substitute for a religious life.宗教仪式和迷信活动可能成为宗教生活的替代物。The amount of nicotine in these nicotine substitutes can be enough to excite the heart.这些尼古丁替代物中的尼古丁含量足以刺激到心脏。 |