F region
【气象学】F区,F(电离)层(＝F layer)
🧩 词语组成解析
🗣️ 情景例句
These are the models from the Japanese film maker.
这些是那位日本电影制片家那里的模型。
If it doesn't rain tomorrow, I think I'll run some errands.
如果明天不下雨的话，你会打电话给我吗？
Can't you see? They're round, like the moon. Have one, please.
你没看见吗？它们像月亮一样，圆圆的。请吃一个吧。