F-region
[电] F区
🧩 词语组成解析
🗣️ 情景例句
I do.
我愿意。
How did you get there?
你怎么去的？
It soon became clear that the straight part of the dance changed when the sun's position changed. If the feeding place was toward the sun, the dancer headed straight upward during the straight part of the wagging dance.
情况很快就弄清了，舞蹈的直线部分是随着太阳位置的变化而变化的。