Nanocatalyst
纳米催化剂
🗣️ 情景例句
Sam, get Mr. Levine at Toytown Stores
Sam，给Toytown Stores的Levine先生
I'm very pressed for cash at the moment, can I pay you next week?
我现在手头有点紧，再周再付给你行吗？
No, it's OK.
没有，还好着呢！