Cells
n. 細(xì)胞；牢房；小屋；單元格（cell的復(fù)數(shù)）
??? 情景例句
but he has to work today,
但他今天工作忙，
Hurry up!
快一點啦！
it would be up and down, to and for and from side to side.
呈現(xiàn)出上上下下、來來回回、左左右右3種性質(zhì)的運動。