Cavitat
[医] 腔, [空]洞, 盂
🗣️ 情景例句
Where's your father?
你爸爸在哪？
What are you gonna do?
你打算怎么办？
They also found out that bees fly a maximum distance of 3.2 kilometres between their hive and a feeding place.
他们还发现蜜蜂从蜂箱到喂食点的最大飞行距离是3。2公里。