Tetrapod
n. 四足动物\\na. 四足动物的
🗣️ 情景例句
Keep the meter running.
继续打表吧。
I've bee invited over to a friend's, and you?
有个朋友请我去作客，你呢？
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，