Nanocatalyst
纳米催化剂
🗣️ 情景例句
I have good eyesight.
我的视力挺好。
Practice what you preach.
言必行。
When she caught up with them, she saw that they had sat down and were going through the contents of the bag,
当她赶上他们时，发现他们已经坐了下来，正翻着包里的东西。