Mesavac
麻疹死疫苗
🗣️ 情景例句
You're sure Alexandra's going to be surprised?
你确定Alexandra会很惊讶吗？
Let me tell you about our product.
关于产品一事让我向你说明。
Imagine the effect on a reasonably advanced technological society,
那么可以设想，这将对这个社会产生何等的影响。但科技相当发达的社会，