Tenside
表面活性剂
🗣️ 情景例句
He's going to be working with you for a while.
他将与你一起工作一段时间。
Kept waving to her mother until the train was out of sight.
不断地冲她的母亲挥手，直到火车驶出了视线。
We're eleven.
十一岁。