Raaf
abbr. 澳大利亚空军（Royal Australian Air Force）
🗣️ 情景例句
OK, Richard. That's terrific.
很好， Richard ，真不错。
If you can't remember, just try to guess.
假如你想不起来，就猜一猜看。
Are there any boats in the picture?
画里面有船吗？