Septuplet
[医] 七胎儿
🗣️ 情景例句
How many classes are you taking this semester?
这学期你有多少课？
He reads a book every day.
他每天都读一本书。
they can locate and steer clear of obstacles -- or locate flying insects on which they feed.
并能通过回声来确定并躲开障碍物，或找到它们赖以为生的昆虫。