Hydroflap
加襟(下翼), 水下舵
🗣️ 情景例句
He's just fooling around.
他用情不专。
If he doesn't, will you paint it?
如果他不，你会油漆它吗？
You don't keep your word. Why didn't you tell me then? I've been looking forward to it. How can you change your mind at last minute?
你不守信用。为什么那时不告诉我呢？我一直都盼望着它呢。你怎么能在最后时刻改变主意呢？