Bipropargyl
联丙炔
🗣️ 情景例句
Many people doubt this candidate's political motivation.
许多人对这位候选人的政治目的表示怀疑。
When I'm going to buy a TV set next time, I'll buy a portable model.
你有电视节目表吗？新闻与气象节目之后是什么？
will finally become so steep that we can live no longer,
但最终会急转直下，我们也无法再活下去了。