Borders
n. 边界；边缘地区（border的复数）
🗣️ 情景例句
Bye, Mom.
再见， 妈妈。
But it's still raining today!
可今天还在下雨。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。