Constant cells
[医] 恒电池
🧩 词语组成解析
n. 细胞；牢房；小屋；单元格（cell的复数）
🗣️ 情景例句
Yes, sir.
是的 ，先生。
Please excuse me.
不好意思，请让一下。
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它们随船飞行一小时也难得见其扇动一下翅膀。