Partiversal
半锥背斜
🗣️ 情景例句
About fifteen minutes.
大约十五分钟吧。
He has a piece of cake.
他有一块蛋糕。
Then the bees left the hive and went to the feeding place.
然后那些蜜蜂离开蜂箱，飞到喂食点去。