Sarcoblast
成肌细胞
🗣️ 情景例句
We've only been here for a day,
我们到这里仅仅一天，
He is teasing a friend.
他在愚弄朋友。
but belongs to the air, travelling it may be six thousand miles to and from its northern nesting home, feeding its flown young as it flies,
在空中十分自如，可以飞行6，000英里，可以飞往北方做窝的老家，再从老家飞回；一边飞一边喂养会飞的雏燕，甚至在顶风时也能在气流中滑翔，似乎气流在帮它前进。