Surfactivity
表面活性
🗣️ 情景例句
Can you help me?
你能帮帮我吗？
I'm the youngest boy in my team.
我是我的那一队伍中最年轻的男孩。
We would like a cup of tea, a bottle of orange, and four cakes, please.
请给我们来一杯茶，一瓶橙汁，和四块蛋糕。