Feder
n. 菲德尔（姓氏）
🗣️ 情景例句
I think I've caught a cold.
我觉得我感冒了。
We can see the train station from our house.
从我们的屋子可以看到火车站。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，