Retarder
n. 阻滞物\\n[化] 阻滞剂; 迟延剂; 抑制剂; 阻聚剂
🗣️ 情景例句
This is Alexandra Pappas, and this is my grandson Robbie,
这是Alexandra Pappas ，这是我孙子Robbie
That's very nice of you. I guess I could use some help.
谢谢你的好意。我想我可能要一点帮助。
Is this your bike?
这是你的自行车吗？