F region
【气象学】F区,F(电离)层(＝F layer)
🧩 词语组成解析
🗣️ 情景例句
Have you gotten over your cold?
你感冒好了吗？
Nothing is impossible to a willing heart.
心之所愿，无事不成。
My speech was ill-form and not pleasant to hear.
我的言语变调走样，很不好听。