Pentamul
乳化剂
🗣️ 情景例句
She said she'll call back?
她说过她会打电话回来？
Who rang the bell a while ago?
刚才谁在按门铃？
Well, we listened to lectures about pollution, agriculture, nuclear waste, radiation and so on.
噢，我们听取有关污染、农业、核废料、辐射等讲座。